Build Your Dream Park!
ROBOLAB Amusement Park awaits!

Revisit the early days of LEGO robotics with this 306-piece set from 2005! Design thrilling rides and let your minifig visitors enjoy the fun.

🏛 RCX
Set #9725-3

ROBOLAB Amusement Park Set

The ROBOLAB Amusement Park Set is a unique blend of LEGO building and programmable robotics.

🏆 Best For: Educators and LEGO enthusiasts interested in robotics and programming. ⏱ 4.5 hr build 🧩 306 pcs 🎂 Ages 9+
★★★☆☆ 3.8

Fans appreciate the set's unique combination of LEGO building and robotics, but criticize the reliance on the RCX brick and ROBOLAB software, which are not included. The models are fun to build, but the lack of included programming tools limits the overall experience.

MSRP
$99.99
Best Price
$98.00
You Save
2% OFF
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📝 Our Take

The ROBOLAB Amusement Park Set is a unique blend of LEGO building and programmable robotics. Released in 2005, this set allows builders to construct and control amusement park-themed models using the RCX programmable brick and ROBOLAB software, offering an educational and engaging experience.

This set is perfect for educators and LEGO enthusiasts interested in combining robotics with creative building. With instructions for four different models, it provides a hands-on learning experience that encourages problem-solving and programming skills.

Skip this if you are looking for a standalone LEGO set without the need for additional programming tools. Since the RCX brick and ROBOLAB software are not included, consider LEGO Mindstorms sets for a more complete robotics experience.

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🧱 Building Experience

🧩
306
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
👤
9+
Ages
Build Highlights:
  • Building four different amusement park models.
  • Integrating Technic elements for functional movement.
  • Using the RCX programmable brick (not included) to control the models.
  • Learning basic programming concepts through ROBOLAB software (not included).

📈 Investment Analysis

→ Price stable
B-
Investment Grade
⏳ Active
The ROBOLAB Amusement Park Set, released in 2005, is a retired set that combines LEGO building with robotics. Its investment potential lies in its unique educational aspect and the increasing interest in STEM toys. However, the value is somewhat limited by the fact that the RCX brick and ROBOLAB software are required but not included, making it less appealing to casual collectors. Over time, the rarity of complete sets with original packaging could drive up the price, but it is unlikely to reach the heights of more iconic LEGO themes. The stable price trend indicates a steady, but not explosive, appreciation.

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

📖 About This Set

This set includes bricks and building instructions for 4 different models. Each model is controlled via the RCX programmable brick using ROBOLAB software (software and RCX not included). The models are based on real-life applications in an amusement-park setting, including a bumper car, merry-go-round, tour bus and haunted house ride. Ideally, one Amusement Park Set for every 3-4 students.

Compare Similar Sets

Compared to modern LEGO Mindstorms sets, the ROBOLAB Amusement Park Set requires a separate RCX brick and ROBOLAB software, which may be a drawback for some. However, its focus on amusement park models offers a unique building experience. Consider LEGO Mindstorms sets for a more complete and up-to-date robotics experience, but this set provides a nostalgic look at early LEGO robotics.

📦 Full Parts Inventory - 89 unique parts • 277 total pieces

Tyre 30 x 10.5 Offset Tread Tyre 30 x 10.5 Of...
Part #: 2346 Black
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Blue
Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Plate Special 2 x...
Part #: 2444 Blue
Costume Ghost Shroud Costume Ghost Shroud
Part #: 2588 Glow In Dark Opaque
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 Black
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 12× Black
Technic Wedge Belt Wheel Tire Technic Wedge Bel...
Part #: 2815 Black
Technic Beam 1 x 4 Thin with Stud Connector Technic Beam 1 x ...
Part #: 2825 Light Bluish Gray
Technic Engine Crankshaft Center Technic Engine Cr...
Part #: 2854 Dark Bluish Gray
Sensor, Light with Fixed Cable Sensor, Light wit...
Part #: 2982c01 Blue
Motor Pulley, 9V Micromotor with axle hole Motor Pulley, 9V ...
Part #: 2983 Light Bluish Gray
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Red
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Blue
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b Red
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b Yellow
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b Blue
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b Red
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b White
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Blue
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Red
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 Yellow
Technic Pin 3/4 Technic Pin 3/4
Part #: 32002 Dark Bluish Gray
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Blue
Technic Beam 1 x 5 Thin Technic Beam 1 x ...
Part #: 32017 Light Bluish Gray
Plate Special 1 x 2 with Door Rail Plate Special 1 x...
Part #: 32028 Light Bluish Gray
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 Light Bluish Gray
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 Black
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a Green
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 Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Technic Plate 1 x...
Part #: 32124 Blue
Technic Plate Rotor 3 Blade with Smooth Ends and 6 Studs (Propeller) Technic Plate Rot...
Part #: 32125 Blue
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Blue
Wheel with Split Axle hole Wheel with Split ...
Part #: 3482 10× Yellow
Tyre Offset Tread 24 x 8 Tyre Offset Tread...
Part #: 3483 Black
Tyre 43 x 17 Tyre 43 x 17
Part #: 3634 Black
Technic Gear 8 Tooth Technic Gear 8 Tooth
Part #: 3647 Light Bluish Gray
Technic Gear 24 Tooth [New Style with Single Axle Hole] Technic Gear 24 T...
Part #: 3648b Light Bluish Gray
Technic Gear 40 Tooth Technic Gear 40 T...
Part #: 3649 Light Bluish Gray
Technic Gear 24 Tooth Crown with Reinforcements [New Style] Technic Gear 24 T...
Part #: 3650c Light Bluish Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 12× Light Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Red
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 Red
Technic Brick 1 x 8 [7 Pin Holes] Technic Brick 1 x...
Part #: 3702 Red
Technic Brick 1 x 16 [15 Pin Holes] Technic Brick 1 x...
Part #: 3703 Red
Technic Axle 4 Technic Axle 4
Part #: 3705 Black
Technic Axle 6 Technic Axle 6
Part #: 3706 Black
Technic Axle 8 Technic Axle 8
Part #: 3707 Black
Technic Axle 12 Technic Axle 12
Part #: 3708 Black
Technic Plate 2 x 4 [3 Holes] Technic Plate 2 x...
Part #: 3709 Blue
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Blue
Technic Bush Technic Bush
Part #: 3713 20× Light Bluish Gray
Technic Axle 10 Technic Axle 10
Part #: 3737 Black
Technic Plate 2 x 8 [7 Holes] Technic Plate 2 x...
Part #: 3738 Blue
Technic Gear Rack 1 x 4 Technic Gear Rack...
Part #: 3743 Light Bluish Gray
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 Tan
Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Plate Special 1 x...
Part #: 3794a Blue
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Blue
Baseplate 16 x 32 Baseplate 16 x 32
Part #: 3857 Green
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 Red
Technic Brick 1 x 12 [11 Pin Holes] Technic Brick 1 x...
Part #: 3895 Red
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Red
Bracket 2 x 2 - 2 x 2 Bracket 2 x 2 - 2...
Part #: 3956 Blue
Technic Gear 16 Tooth with Round Holes [Old Style] Technic Gear 16 T...
Part #: 4019 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 White
Rubber Band / Belt Holder 2 x 4 x 2 1/3 Rubber Band / Bel...
Part #: 41752 Dark Bluish Gray
Technic Wedge Belt Wheel [aka Pulley] Technic Wedge Bel...
Part #: 4185 Light Bluish Gray
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 Light Bluish Gray
Motor, 9V Mini [Lightweight New Style] Motor, 9V Mini [L...
Part #: 43362c01 Light Bluish Gray
Panel 2 x 5 x 6 Wall with Window Stones and 2 Columns Print Panel 2 x 5 x 6 W...
Part #: 4444pr0008 Black
Plate 1 x 10 Plate 1 x 10
Part #: 4477 Blue
Technic Axle 3 Technic Axle 3
Part #: 4519 Light Bluish Gray
Technic Worm Gear Technic Worm Gear
Part #: 4716 Black
Wire with Brick 2 x 2 x 2/3 Pair, 11L Wire with Brick 2...
Part #: 5306bc011 Black
Wire with Brick 2 x 2 x 2/3 Pair, 17L Wire with Brick 2...
Part #: 5306bc017 Black
Wire with Brick 2 x 2 x 2/3 Pair, 33L Wire with Brick 2...
Part #: 5306bc033 Black
Light Brick 1 x 2 with Single Side Light Light Brick 1 x 2...
Part #: 6035 White
Arm Skeleton Arm Skeleton
Part #: 6265 White
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Light Bluish Gray
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b Light Bluish Gray
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Technic Axle 1.5 ...
Part #: 6553 Light Bluish Gray
Technic Cam Technic Cam
Part #: 6575 Dark Bluish Gray
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 Dark Bluish Gray
Technic Gearbox 2 x 4 x 3 1/3 Technic Gearbox 2...
Part #: 6588 Yellow
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 Light Bluish Gray
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 Light Bluish Gray
Rubber Band Small 13mm (Square Cross Section) Rubber Band Small...
Part #: 71509 Black
Rubber Belt Small [15mm ID] [Round Cross Section] Rubber Belt Small...
Part #: 85543 White
Technic Rubber Belt Medium [26mm ID] [Round Cross Section] Technic Rubber Be...
Part #: 85545 Blue
Sensor, Touch Sensor, Touch
Part #: 879 Light Bluish Gray
🧱 Storage Bin Lid, ...
Part #: 71082 Trans-Clear
🧱 Storage / Sorting...
Part #: 997251 Trans-Clear
🧱 Storage Bin, Dact...
Part #: upn0032 Black
The set features a good selection of Technic parts, useful for creating functional models. The Light Bluish Gray elements are plentiful, providing a solid base for building.

🛒 Where to Buy

💎 Notable Parts

Light Bluish Gray Technic Bush (20x) $1.00
Black Technic Pin with Friction Ridges Lengthwise and Center Slots (12x) $1.20
Yellow Wheel with Split Axle hole (10x) $2.00
Light Bluish Gray Technic Beam 1 x 5 Thin (8x) $1.60
Est. BrickLink Part Value
$5.80

💡 MOC Potential

🤖 Advanced robotics platforms
🚗 Custom remote-controlled vehicles
🏙 Automated city infrastructure

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found
BlockTalk AI

What the Community Says

1 YouTube reviews
BlockTalk AI Summary
Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

89
Unique Parts
277
Total Pieces
5
Minifigures
Inventory Version: 1