Dive into Discovery!
HYDRO DYNAMICS Awaits!

Unleash your team's problem-solving skills with this 2052-piece FIRST LEGO League challenge. Explore the wonders of water in a hands-on, innovative way!

🏛 FIRST LEGO League
Set #45804

HYDRO DYNAMICS Challenge Kit

The HYDRO DYNAMICS Challenge Kit is a fantastic educational tool disguised as a LEGO set.

🏆 Best For: Ideal for FIRST LEGO League teams, STEM educators, and LEGO Technic enthusiasts aged 10+ ⏱ 4.5 hr build 🧩 2,052 pcs
★★★★☆ 4.2

Generally praised for its extensive parts selection and educational value, though some find the lack of specific instructions and focus on generic building limiting. A great resource for Technic enthusiasts but may not appeal to casual builders.

MSRP
$225.00
Best Price
$202.50
You Save
10% OFF
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📝 Our Take

The HYDRO DYNAMICS Challenge Kit is a fantastic educational tool disguised as a LEGO set. Designed for FIRST LEGO League competitions, it provides a wealth of parts and building opportunities for young engineers and robotics enthusiasts.

This set is perfect for teams participating in the FIRST LEGO League or educators looking for hands-on STEM activities. The sheer volume of Technic pieces allows for complex model building and experimentation, promoting problem-solving and teamwork.

Skip this if you're looking for a traditional display model or casual building experience. This set's focus is on functionality and learning rather than aesthetics, so consider sets like the LEGO Technic sports cars if you prefer a display piece.

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🧱 Building Experience

🧩
2,052
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Extensive collection of Technic beams, pins, and connectors for complex mechanisms
  • Focus on building functional models and robotic attachments
  • Encourages experimentation and iterative design
  • Provides a platform for learning about engineering principles

📈 Investment Analysis

→ Price stable
B-
Investment Grade
⏳ Active
The HYDRO DYNAMICS Challenge Kit, while not a typical investment set, holds potential value for specific collectors. Its primary appeal lies in its large quantity of Technic parts, making it desirable for MOC builders and robotics enthusiasts. As a retired educational set, it's unlikely to see massive price appreciation, but the demand from FIRST LEGO League teams and the rarity of complete sets could drive moderate growth. The lack of licensing and minifigures limits its broader appeal, so manage expectations accordingly.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

Compare Similar Sets

The HYDRO DYNAMICS Challenge Kit is unique in its focus on educational applications and sheer quantity of Technic parts. While sets like the LEGO Technic sports cars offer more traditional building experiences, this kit provides unparalleled opportunities for experimentation and learning. Consider this set if you prioritize functionality and STEM education over display value.

1 Minifigures Included

Includes a single minifigure with a Classic Space torso, making it a nice addition for space fans, though not particularly rare.

📦 Full Parts Inventory - 233 unique parts • 2,048 total pieces

Wheel 14mm D. x 9.9mm with Centre Groove, Fake Bolts and 6 Spokes Wheel 14mm D. x 9...
Part #: 11208 Light Bluish Gray
Tyre 21 x 9.9 Tyre 21 x 9.9
Part #: 11209 Black
Brick Special 1 x 2 with 2 Studs on 1 Side Brick Special 1 x...
Part #: 11211 White
Brick Special 1 x 2 with 2 Studs on 1 Side Brick Special 1 x...
Part #: 11211 Light Bluish Gray
Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 Medium Azure
Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 White
Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 Light Bluish Gray
Plate Special 1 x 2 with Pin Hole on Top Plate Special 1 x...
Part #: 11458 Red
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Medium Azure
Plate Round 4 x 4 with 2 x 2 Round Opening Plate Round 4 x 4...
Part #: 11833 13× Trans-Clear
Plate Round 4 x 4 with 2 x 2 Round Opening Plate Round 4 x 4...
Part #: 11833 11× Bright Light Orange
Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface Technic Panel Cur...
Part #: 11954 Medium Azure
Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface Technic Panel Cur...
Part #: 11954 Black
Vehicle Base 4 x 10 x 2 1/2 with Mudguards, Wheel Pins and 6 x 2 Centre Recess with 3 Holes, Red Wheel Holders Vehicle Base 4 x ...
Part #: 12622c01 Red
Plate Special 1 x 2 5.9mm Centre Side Towball Socket Plate Special 1 x...
Part #: 14704 Light Bluish Gray
Tile 2 x 2 Corner Tile 2 x 2 Corner
Part #: 14719 Red
Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Technic Beam 3 x ...
Part #: 14720 Light Bluish Gray
Tile Round 2 x 2 with Bottom Stud Holder Tile Round 2 x 2 ...
Part #: 14769 15× Medium Azure
Tile Round 2 x 2 with Bottom Stud Holder Tile Round 2 x 2 ...
Part #: 14769 Yellow
Tile Round 2 x 2 with Bottom Stud Holder Tile Round 2 x 2 ...
Part #: 14769 13× Reddish Brown
Tile Round 2 x 2 with Bottom Stud Holder Tile Round 2 x 2 ...
Part #: 14769 Light Bluish Gray
Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise Technic Pin Conne...
Part #: 15100 12× Light Bluish Gray
Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version] Brick Arch 1 x 6 ...
Part #: 15254 Dark Bluish Gray
Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version] Brick Arch 1 x 6 ...
Part #: 15254 Light Bluish Gray
Technic Panel 3 x 11 x 1 Technic Panel 3 x...
Part #: 15458 Dark Bluish Gray
Technic Panel 3 x 11 x 1 Technic Panel 3 x...
Part #: 15458 Green
Technic Axle 5 with Stop Technic Axle 5 wi...
Part #: 15462 Reddish Brown
Brick Special 1 x 4 with Masonry Brick Profile Brick Special 1 x...
Part #: 15533 Medium Nougat
Tile Round 2 x 2 with Hole Tile Round 2 x 2 ...
Part #: 15535 Red
Tile Round 2 x 2 with Hole Tile Round 2 x 2 ...
Part #: 15535 18× Light Bluish Gray
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Dark Bluish Gray
Brick Round 2 x 2, Pin Holes Brick Round 2 x 2...
Part #: 17485 Yellow
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Technic Gear 20 T...
Part #: 18575 Tan
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Technic Axle Pin ...
Part #: 18651 Black
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 Light Bluish Gray
Plate Special 1 x 2 with Pin Hole Underneath Plate Special 1 x...
Part #: 18677 10× Light Bluish Gray
Plate Round Corners 2 x 6 Double Plate Round Corne...
Part #: 18980 21× Light Bluish Gray
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Brick Special 1 x...
Part #: 22885 Light Bluish Gray
Plate Round Half 4 x 8 Plate Round Half ...
Part #: 22888 10× Dark Bluish Gray
Technic Pin Connector Hub with 1 Axle Technic Pin Conne...
Part #: 22961 Light Bluish Gray
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b Pearl Gold
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b 10× White
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b Dark Bluish Gray
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b 28× Light Bluish Gray
Wedge Plate 3 x 6 Cut Corners Wedge Plate 3 x 6...
Part #: 2419 Dark Bluish Gray
Tile Round 1 x 1 Half Circle Tile Round 1 x 1 ...
Part #: 24246 12× Light Bluish Gray
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 White
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Red
Brick 1 x 2 x 5 with Hollow Studs Brick 1 x 2 x 5 w...
Part #: 2454b Dark Bluish Gray
Brick 2 x 6 Brick 2 x 6
Part #: 2456 Dark Bluish Gray
Brick 1 x 16 Brick 1 x 16
Part #: 2465 Light Bluish Gray
Technic Driving Ring Connector Smooth [4 rounded side walls] Technic Driving R...
Part #: 26287 Red
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 Trans-Light Blue
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 White
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 Black
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 Trans-Yellow
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 Light Bluish Gray
Technic Axle Towball Technic Axle Towball
Part #: 2736 Light Bluish Gray
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 158× Black
Tile 2 x 2 Curved, Macaroni Tile 2 x 2 Curved...
Part #: 27925 Light Bluish Gray
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Black
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Dark Bluish Gray
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Medium Nougat
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Red
Brick 1 x 2 Brick 1 x 2
Part #: 3004 13× Medium Azure
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Bright Light Orange
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Dark Bluish Gray
Brick 1 x 2 Brick 1 x 2
Part #: 3004 28× White
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Red
Brick 1 x 1 Brick 1 x 1
Part #: 3005 11× Medium Azure
Brick 1 x 8 Brick 1 x 8
Part #: 3008 Light Bluish Gray
Brick 1 x 8 Brick 1 x 8
Part #: 3008 Dark Bluish Gray
Brick 1 x 6 Brick 1 x 6
Part #: 3009 10× Medium Azure
Brick 1 x 4 Brick 1 x 4
Part #: 3010 17× Medium Azure
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Yellow
Brick 1 x 4 Brick 1 x 4
Part #: 3010 White
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Dark Bluish Gray
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Light Bluish Gray
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Medium Azure
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Tan
Plate 2 x 3 Plate 2 x 3
Part #: 3021 White
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Light Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 White
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Light Bluish Gray
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 White
Brick Special 1 x 2 with Vertical Clip [Open O Clip] Brick Special 1 x...
Part #: 30237b Red
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Trans-Orange
Plate 6 x 12 Plate 6 x 12
Part #: 3028 Dark Bluish Gray
Plate 4 x 10 Plate 4 x 10
Part #: 3030 Dark Bluish Gray
Plate 4 x 10 Plate 4 x 10
Part #: 3030 Tan
Plate 4 x 10 Plate 4 x 10
Part #: 3030 White
Plate 4 x 6 Plate 4 x 6
Part #: 3032 Red
Plate 4 x 6 Plate 4 x 6
Part #: 3032 White
Plate 6 x 10 Plate 6 x 10
Part #: 3033 Light Bluish Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 10× White
Plate 2 x 8 Plate 2 x 8
Part #: 3034 Dark Bluish Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 10× Light Bluish Gray
Plate 6 x 8 Plate 6 x 8
Part #: 3036 Light Bluish Gray
Brick Round 2 x 2 Dome Top, Hollow Stud Brick Round 2 x 2...
Part #: 30367c Yellow
Brick Special 1 x 4 with 4 Studs on One Side Brick Special 1 x...
Part #: 30414 Light Bluish Gray
Brick Special 1 x 2 with 2 Pins, Round Pin Holes Brick Special 1 x...
Part #: 30526 Light Bluish Gray
Brick Special 1 x 2 with 2 Pins, Round Pin Holes Brick Special 1 x...
Part #: 30526 Dark Bluish Gray
Panel 4 x 4 x 6 Quarter Cylinder Panel 4 x 4 x 6 Q...
Part #: 30562 White
Plate Round Corner 4 x 4 Plate Round Corne...
Part #: 30565 16× White
Slope Curved 2 x 2 with Lip, No Studs Slope Curved 2 x ...
Part #: 30602 Trans-Light Blue
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Light Bluish Gray
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b White
Brick 1 x 2 without Bottom Tube Brick 1 x 2 witho...
Part #: 3065 Trans-Clear
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b Light Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b White
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Dark Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Red
Tile 1 x 2 with Black Diagonal Stripes, Large Yellow Corner Triangles Print Tile 1 x 2 with B...
Part #: 3069bpr0155 Yellow
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b Medium Azure
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b Light Bluish Gray
Plate Special 3 x 2 with Rounded End, Hole Plate Special 3 x...
Part #: 3176 Light Bluish Gray
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 Light Bluish Gray
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 Dark Bluish Gray
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 White
Technic Pin 3/4 Technic Pin 3/4
Part #: 32002 Tan
Technic Link 1 x 6 without Stoppers Technic Link 1 x ...
Part #: 32005a Dark Bluish Gray
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Black
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Yellow
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Light Bluish Gray
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 Black
Technic Axle and Pin Connector Angled #5 - 112.5° Technic Axle and ...
Part #: 32015 Light Bluish Gray
Technic Axle and Pin Connector Angled #3 - 157.5° Technic Axle and ...
Part #: 32016 Light Bluish Gray
Technic Axle and Pin Connector Angled #3 - 157.5° Technic Axle and ...
Part #: 32016 Medium Azure
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 Light Bluish Gray
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 Black
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 Yellow
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 Light Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 Light Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 10× Black
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 11× Red
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a Light Bluish Gray
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a Dark Bluish Gray
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a Red
Technic Knob Wheel Technic Knob Wheel
Part #: 32072 Black
Technic Axle 5 Technic Axle 5
Part #: 32073 Yellow
Technic Axle 5 Technic Axle 5
Part #: 32073 Light Bluish Gray
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b Light Bluish Gray
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b Yellow
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 16× Dark Bluish Gray
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 Yellow
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 Light Bluish Gray
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 Black
Technic Axle and Pin Connector Angled #4 - 135° Technic Axle and ...
Part #: 32192 Black
Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32250 Dark Bluish Gray
Technic Gear 12 Tooth Double Bevel Technic Gear 12 T...
Part #: 32270 Black
Technic Beam 1 x 9 Bent (7 - 3) Thick Technic Beam 1 x ...
Part #: 32271 Light Bluish Gray
Technic Beam 1 x 15 Thick Technic Beam 1 x ...
Part #: 32278 Light Bluish Gray
Technic Beam 1 x 15 Thick Technic Beam 1 x ...
Part #: 32278 Dark Bluish Gray
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 Light Bluish Gray
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 10× Dark Bluish Gray
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 White
Technic Beam 1 x 7 Bent (4 - 4) Thick Technic Beam 1 x ...
Part #: 32348 Dark Bluish Gray
Brick 1 x 2 x 2 with Inside Stud Holder Brick 1 x 2 x 2 w...
Part #: 3245c White
Brick 1 x 2 x 2 with Inside Stud Holder Brick 1 x 2 x 2 w...
Part #: 3245c Dark Bluish Gray
Technic Gear 36 Tooth Double Bevel Technic Gear 36 T...
Part #: 32498 Black
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 Light Bluish Gray
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 Yellow
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 Blue
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 10× Dark Bluish Gray
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 White
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Light Bluish Gray
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Yellow
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Blue
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 White
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 12× Dark Bluish Gray
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 Light Bluish Gray
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 Black
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 14× White
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 White
Technic Pin Connector Plate with One Hole (Single on Bottom) Technic Pin Conne...
Part #: 32529 Black
Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Technic Pin Conne...
Part #: 32530 Dark Bluish Gray
Technic Pin Long without Friction Ridges Technic Pin Long ...
Part #: 32556 Tan
Technic Pin Connector Perpendicular Long Technic Pin Conne...
Part #: 32557 Light Bluish Gray
Technic Beam 3 x 0.5 Liftarm with Boss and Pin Semi-Reduced Technic Beam 3 x ...
Part #: 33299b Light Bluish Gray
Animal, Frog Animal, Frog
Part #: 33320 Pearl Gold
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Light Bluish Gray
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Dark Bluish Gray
Plate 1 x 3 Plate 1 x 3
Part #: 3623 20× Dark Bluish Gray
Plate 1 x 3 Plate 1 x 3
Part #: 3623 22× Light Bluish Gray
Technic Gear 40 Tooth Technic Gear 40 T...
Part #: 3649 Light Bluish Gray
Brick Arch 1 x 4 Brick Arch 1 x 4
Part #: 3659 Light Bluish Gray
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 Light Bluish Gray
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 White
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Red
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Dark Bluish Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 24× Light Bluish Gray
Slope 65° 2 x 2 x 2 with Bottom Tube Slope 65° 2 x 2 x...
Part #: 3678b Dark Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Dark Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Light Bluish Gray
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 Dark Bluish Gray
Technic Brick 1 x 8 [7 Pin Holes] Technic Brick 1 x...
Part #: 3702 Light Bluish Gray
Technic Axle 4 Technic Axle 4
Part #: 3705 Red
Technic Axle 4 Technic Axle 4
Part #: 3705 Black
Technic Axle 6 Technic Axle 6
Part #: 3706 Black
Technic Axle 6 Technic Axle 6
Part #: 3706 Red
Technic Axle 8 Technic Axle 8
Part #: 3707 Black
Technic Axle 12 Technic Axle 12
Part #: 3708 Red
Technic Axle 12 Technic Axle 12
Part #: 3708 10× Black
Technic Plate 2 x 4 [3 Holes] Technic Plate 2 x...
Part #: 3709 White
Plate 1 x 4 Plate 1 x 4
Part #: 3710 15× White
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Red
Plate 1 x 4 Plate 1 x 4
Part #: 3710 10× Dark Bluish Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Light Bluish Gray
Technic Bush Technic Bush
Part #: 3713 11× Light Bluish Gray
Technic Plate 2 x 8 [7 Holes] Technic Plate 2 x...
Part #: 3738 Light Bluish Gray
Technic Gear Rack 1 x 4 Technic Gear Rack...
Part #: 3743 Light Bluish Gray
Slope Inverted 33° 3 x 2 [Connections between Studs] Slope Inverted 33...
Part #: 3747b Dark Bluish Gray
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 10× Tan
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Dark Bluish Gray
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Light Bluish Gray
Plate 2 x 6 Plate 2 x 6
Part #: 3795 White
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Light Bluish Gray
Plate 2 x 10 Plate 2 x 10
Part #: 3832 White
Weapon Axe Weapon Axe
Part #: 3835 Black
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 Yellow
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 Dark Bluish Gray
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 13× Trans-Clear
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Yellow
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Light Bluish Gray
Cone 2 x 2 x 2, Open Stud Cone 2 x 2 x 2, O...
Part #: 3942c Yellow
Dish 4 x 4 Inverted [Radar] Dish 4 x 4 Invert...
Part #: 3960 Trans-Light Blue
Dish 4 x 4 Inverted [Radar] Dish 4 x 4 Invert...
Part #: 3960 White
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Medium Azure
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 13× Light Bluish Gray
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 11× White
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Yellow
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 Blue
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 12× Dark Bluish Gray
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 Light Bluish Gray
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Plate Special 1 x...
Part #: 4081b White
Plate 8 x 8 Plate 8 x 8
Part #: 41539 Dark Bluish Gray
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 Light Bluish Gray
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 Medium Azure
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 Dark Bluish Gray
Technic Axle and Pin Connector Perpendicular Double Split Technic Axle and ...
Part #: 41678 Dark Bluish Gray
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 Dark Bluish Gray
String Reel 2 x 4 x 2 Drum String Reel 2 x 4...
Part #: 4208 Black
String Reel 2 x 4 x 2 Holder With Open Studs String Reel 2 x 4...
Part #: 4209b Red
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 17× Blue
Plate 2 x 16 Plate 2 x 16
Part #: 4282 Dark Bluish Gray
Dish 6 x 6 Inverted, Radar / Webbed [Anti-studs at 90°] Dish 6 x 6 Invert...
Part #: 4285b Trans-Light Blue
Slope 33° 3 x 1 Slope 33° 3 x 1
Part #: 4286 Dark Bluish Gray
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 15× Blue
Box 2 x 2 x 2 [Hollow Studs] Box 2 x 2 x 2 [Ho...
Part #: 4345b Red
Box 2 x 2 x 2 Door with Slot Box 2 x 2 x 2 Doo...
Part #: 4346 Light Bluish Gray
Equipment Camera with Side Sight [aka Space Gun] Equipment Camera ...
Part #: 4360 Black
Technic Beam 1 x 2 Thick Technic Beam 1 x ...
Part #: 43857 11× Light Bluish Gray
Technic Axle 7 Technic Axle 7
Part #: 44294 13× Light Bluish Gray
Technic Axle 7 Technic Axle 7
Part #: 44294 Yellow
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 Light Bluish Gray
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 Yellow
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 White
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 Red
Plate 1 x 10 Plate 1 x 10
Part #: 4477 White
Plate Special 1 x 8 with Door Rail Plate Special 1 x...
Part #: 4510 Light Bluish Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 Light Bluish Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 Yellow
Slope Curved 4 x 4 x 2/3 Triple Curved with 2 Studs Slope Curved 4 x ...
Part #: 45677 Red
Slope Curved 4 x 4 x 2/3 Triple Curved with 2 Studs and 'HYDRO DYNAMICS COACH' print Slope Curved 4 x ...
Part #: 45677pr0007 White
Windscreen 2 x 4 x 2 Vertical Windscreen 2 x 4 ...
Part #: 4594 Trans-Clear
Bar 1 x 3 [Clip / Anti-Stud] Bar 1 x 3 [Clip /...
Part #: 4735 Black
Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs Brick Round Corne...
Part #: 48092 24× Light Bluish Gray
Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs Brick Round Corne...
Part #: 48092 22× Medium Azure
Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs Brick Round Corne...
Part #: 48092 Medium Nougat
Plate Special 1 x 2 [Side Handle Closed Ends] Plate Special 1 x...
Part #: 48336 Light Bluish Gray
Technic Pin Connector Hub Perpendicular 3L with 4 Pins Technic Pin Conne...
Part #: 48989 Light Bluish Gray
Slope Curved 3 x 1 No Studs Slope Curved 3 x ...
Part #: 50950 Bright Green
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Trans-Dark Blue
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Trans-Red
Technic Axle 8 with Stop Technic Axle 8 wi...
Part #: 55013 Dark Bluish Gray
Technic Tread Sprocket Wheel Small 6 Tooth Technic Tread Spr...
Part #: 57520 Black
Technic Axle Connector Hub with 3 Axles at 120° Technic Axle Conn...
Part #: 57585 Light Bluish Gray
Panel 1 x 6 x 5 Panel 1 x 6 x 5
Part #: 59349 Dark Bluish Gray
Panel 1 x 6 x 5 Panel 1 x 6 x 5
Part #: 59349 White
Technic Axle 5.5 with Stop [Rounded Short End] Technic Axle 5.5 ...
Part #: 59426 Dark Bluish Gray
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 Black
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 Light Bluish Gray
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 12× Dark Bluish Gray
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 Yellow
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 Reddish Brown
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Yellow
Brick Arch 1 x 3 x 2 Curved Top Brick Arch 1 x 3 ...
Part #: 6005 Light Bluish Gray
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 Bright Light Orange
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 White
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 Light Bluish Gray
Plate 1 x 12 Plate 1 x 12
Part #: 60479 Light Bluish Gray
Slope 65° 2 x 1 x 2 Slope 65° 2 x 1 x 2
Part #: 60481 Dark Bluish Gray
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 Black
Technic Beam 3 x 3 T-Shape Thick Technic Beam 3 x ...
Part #: 60484 Light Bluish Gray
Technic Axle 9 Technic Axle 9
Part #: 60485 Light Bluish Gray
Technic Axle 9 Technic Axle 9
Part #: 60485 Yellow
Door Frame 1 x 4 x 6 Type 2 Door Frame 1 x 4 ...
Part #: 60596 Black
Door 1 x 4 x 6 with 4 Panes and Stud Handle Door 1 x 4 x 6 wi...
Part #: 60623 White
Brick Curved 2 x 4 x 1 1/3 Brick Curved 2 x ...
Part #: 6081 Light Bluish Gray
Brick Curved 2 x 4 x 1 1/3 Brick Curved 2 x ...
Part #: 6081 Red
Equipment Hose Nozzle / Gun with Side String Hole Simplified Equipment Hose No...
Part #: 60849 Light Bluish Gray
Brick 1 x 12 Brick 1 x 12
Part #: 6112 Light Bluish Gray
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Pearl Gold
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Red
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 White
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Medium Azure
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Light Bluish Gray
Brick Arch 1 x 6 x 2 Curved Top Brick Arch 1 x 6 ...
Part #: 6183 Light Bluish Gray
Brick Arch 1 x 6 x 2 Curved Top Brick Arch 1 x 6 ...
Part #: 6183 White
Technic Universal Joint 3L [Complete Assembly] Technic Universal...
Part #: 61903 Light Bluish Gray
Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Brick Round 4 x 4...
Part #: 6222 Light Bluish Gray
Windscreen 3 x 6 x 1 Curved with 2 Circular Stud Holders in Bottom Windscreen 3 x 6 ...
Part #: 62360 Trans-Light Blue
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 Bright Green
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 10× Yellow
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 Light Bluish Gray
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 Pearl Gold
Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface Technic Panel Cur...
Part #: 62531 Yellow
Cylinder Half 2 x 4 x 4 Cylinder Half 2 x...
Part #: 6259 10× Trans-Light Blue
Tile 1 x 3 Tile 1 x 3
Part #: 63864 Red
Tile 1 x 3 Tile 1 x 3
Part #: 63864 Yellow
Technic Axle and Pin Connector Perpendicular Triple Technic Axle and ...
Part #: 63869 Light Bluish Gray
Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick Technic Beam 5 x ...
Part #: 64178 Light Bluish Gray
Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick Technic Beam Fram...
Part #: 64179 Light Bluish Gray
Technic Panel 5 x 11 x 1 Technic Panel 5 x...
Part #: 64782 Green
Technic Panel 5 x 11 x 1 Technic Panel 5 x...
Part #: 64782 Light Bluish Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 White
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Light Bluish Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Yellow
Technic Brick 1 x 1 with Pin Hole Technic Brick 1 x...
Part #: 6541 Light Bluish Gray
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Technic Axle 1.5 ...
Part #: 6553 Dark Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 104× Blue
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 Tan
Technic Pin with Friction Ridges Lengthwise and Towball Technic Pin with ...
Part #: 6628 Black
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 11× Light Bluish Gray
Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Hinge Plate 1 x 4...
Part #: 73983 Yellow
Hose, Ribbed 7mm D. 18L / 14.4cm Hose, Ribbed 7mm ...
Part #: 78c18 Flat Silver
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Brick Round Corne...
Part #: 85080 24× Yellow
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Brick Round Corne...
Part #: 85080 48× White
Wave / Flame Rounded Large with Marbled Trans-Yellow Pattern Wave / Flame Roun...
Part #: 85959pat0003 Trans-Red
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 Red
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 18× Light Bluish Gray
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 White
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 Dark Bluish Gray
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 Red
Technic Panel Fairing #1 Small Smooth Short, Side A Technic Panel Fai...
Part #: 87080 Dark Purple
Brick Round 4 x 4 Centre Hole Brick Round 4 x 4...
Part #: 87081 Red
Brick Round 4 x 4 Centre Hole Brick Round 4 x 4...
Part #: 87081 Reddish Brown
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 White
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 Light Bluish Gray
Wedge 2 x 2 Facet Wedge 2 x 2 Facet
Part #: 87620 Light Bluish Gray
Technic Gear Rack 1 x 7 with Axle and Pin Holes Technic Gear Rack...
Part #: 87761 Black
Technic Link Tread Wide with Two Pin Holes, Reinforced Technic Link Trea...
Part #: 88323 12× Medium Nougat
Technic Link Tread Wide with Two Pin Holes, Reinforced Technic Link Trea...
Part #: 88323 Dark Bluish Gray
Plate 8 x 16 Plate 8 x 16
Part #: 92438 Dark Bluish Gray
Brick Arch 1 x 6 Raised Arch Brick Arch 1 x 6 ...
Part #: 92950 Light Bluish Gray
Slope Curved 4 x 1 Double with No Studs Slope Curved 4 x ...
Part #: 93273 Light Bluish Gray
Bracket 1 x 2 - 2 x 4 Bracket 1 x 2 - 2...
Part #: 93274 Light Bluish Gray
Technic Gear 16 Tooth Reinforced [New Style] Technic Gear 16 T...
Part #: 94925 Light Bluish Gray
Brick and Axle Separator v2.0 Brick and Axle Se...
Part #: 96874 Orange
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Trans-Red
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Trans-Clear
Brick Special 1 x 2 with Masonry Brick Profile Brick Special 1 x...
Part #: 98283 Dark Bluish Gray
Large Figure Weapon, Barrel with 2 Pin Holes and 3 Axle Holes Large Figure Weap...
Part #: 98585 Light Bluish Gray
Technic Axle 4 with Centre Stop Technic Axle 4 wi...
Part #: 99008 Tan
Bracket 1 x 2 - 2 x 2 Inverted Bracket 1 x 2 - 2...
Part #: 99207 Light Bluish Gray
Bracket 1 x 2 - 2 x 2 Inverted Bracket 1 x 2 - 2...
Part #: 99207 Black
The set is a treasure trove of Technic elements, with a large quantity of pins and connectors in various colors. The abundance of Light Bluish Gray and Black pieces makes it a useful source for MOC builders focused on Technic models.

🛒 Where to Buy

eBay
✓ In Stock
$202.50
Walmart
✓ In Stock
$213.75
Target
✓ In Stock
$225.00
Amazon

💎 Notable Parts

Black Technic Pin with Friction Ridges Lengthwise and Center Slots (158x) $7.90
Blue Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots (104x) $5.20
White Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] (48x) $4.80
Light Bluish Gray Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs (24x) $3.60
Medium Azure Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs (22x) $3.30
Est. BrickLink Part Value
$24.80

💡 MOC Potential

🤖 Advanced robotics platforms with complex articulation
🚗 Large-scale Technic vehicles with intricate mechanisms
🏙 Expanding LEGO City with functional bridges and automated systems

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Charts Inventory Statistics

233
Unique Parts
2,048
Total Pieces
1
Minifigures
Inventory Version: 1