Unlock the Power of Robotics!
Build, Program, Conquer Challenges

Revisit the 2003 classic with 832 pieces of robotic ingenuity. Perfect for educators and LEGO enthusiasts ready to engineer the future.

🏛 RCX
Set #9794

ROBOLAB Team Challenge Set Version 2.5 [USB]

The ROBOLAB Team Challenge Set Version 2.

Before you buy

Who it's for
Intermediate build Ideal for educators and hobbyists interested in early LEGO robotics and programming.
Build
831 pieces · about 4.5 hours Build time is an estimate.
Price
$199.99 list price · 24.1¢ per piece
Availability
Likely retired
★★★★☆ 4.0 AI-generated review score, not a customer rating

Fans appreciate the ROBOLAB set for its educational value and historical significance in LEGO robotics. While it may not have the advanced features of modern sets, it provides a hands-on introduction to programming and robotics concepts, though some find the RCX brick and software outdated.

MSRP
$199.99
Best Price
$110.88
You Save
45% OFF
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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The ROBOLAB Team Challenge Set Version 2.5 [USB] is a pioneering educational tool. Released in 2003, this set introduced many to the world of robotics and programming with LEGO, bridging the gap between physical building and digital control. It's a snapshot of early LEGO robotics technology.

This set is perfect for educators and hobbyists interested in LEGO robotics history. The set provides a hands-on experience with the RCX brick and early programming environments, fostering problem-solving and engineering skills.

Skip this if you're looking for modern LEGO robotics capabilities. Newer systems like LEGO MINDSTORMS EV3 or SPIKE Prime offer more advanced sensors, motors, and programming interfaces.

✨ New
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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the ROBOLAB Team Challenge Set Version 2.5 [USB] - building tips, investment potential, comparisons, or anything else!
Try asking:
How does the ROBOLAB set compare to modern LEGO MINDSTORMS kits in terms of functionality and programming? What are some creative projects that can be built using the ROBOLAB set beyond the official models? How does the value of this set compare to other early LEGO robotics sets? What are the key considerations for displaying and preserving a vintage LEGO robotics set like this?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
831
Pieces
⏱
4.5h
Estimated Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Exploring the RCX brick and its capabilities
  • Learning basic programming concepts through hands-on projects
  • Building various robotic models to solve challenges
  • Understanding the fundamentals of robotics and automation

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
→ Price stable
B
Investment Grade
⏳ Retired
The ROBOLAB Team Challenge Set Version 2.5 [USB] presents a unique investment opportunity due to its historical significance in LEGO robotics education. As an early iteration of LEGO's robotics line, it holds nostalgic appeal for collectors and those interested in the evolution of educational technology. The set's age and the fact that it's retired contribute to its potential value. However, the value is dependent on the condition of the RCX brick and the completeness of the set. The stable price trend suggests consistent demand, but significant appreciation may be limited compared to more iconic LEGO themes.

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

⚖ Compare Similar Sets

Compared to modern LEGO MINDSTORMS sets, the ROBOLAB set offers a simpler, more accessible introduction to robotics. While it lacks the advanced sensors and processing power of newer systems, its historical significance and focus on fundamental programming concepts make it a valuable educational tool. Collectors interested in the history of LEGO robotics may prefer this set over newer, more complex offerings.

📦 Parts Inventory

Official piece count
831
Parts cataloged in this inventory
151 unique parts, 833 pieces

LEGO counts 831 pieces. This inventory comes from a separate parts catalog and lists 833; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Transmitter Tower, IR, USB Cable, with Black Front Transmitter Tower...
Part #: 23319c01 1× Dark Gray
Tyre 30 x 10.5 Offset Tread Tyre 30 x 10.5 Of...
Part #: 2346 4× Black
Brick 2 x 2 Corner Brick 2 x 2 Corner
Part #: 2357 4× Black
Wedge Plate 3 x 6 Cut Corners Wedge Plate 3 x 6...
Part #: 2419 2× Green
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 8× Light Gray
Brick 2 x 6 Brick 2 x 6
Part #: 2456 6× Black
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 2× Black
Technic Brick 1 x 10 [9 Pin Holes] Technic Brick 1 x...
Part #: 2730 8× Black
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 24× Black
Technic Wedge Belt Wheel Tire Technic Wedge Bel...
Part #: 2815 2× Black
Plate Special 2 x 2 with 2 Pin Holes Plate Special 2 x...
Part #: 2817 4× Light Gray
Technic Beam 1 x 4 Thin with Stud Connector Technic Beam 1 x ...
Part #: 2825 2× Light Gray
Technic Engine Crankshaft Center Technic Engine Cr...
Part #: 2854 2× Light Gray
Tyre 81.6 x 15 Motorcycle Tyre 81.6 x 15 Mo...
Part #: 2902 4× Black
Wheel 61.6 x 13.6 Motorcycle Wheel 61.6 x 13.6...
Part #: 2903 4× White
Sensor, Light with Fixed Cable Sensor, Light wit...
Part #: 2982c01 2× Blue
Motor Pulley, 9V Micromotor with axle hole Motor Pulley, 9V ...
Part #: 2983 4× Light Gray
Wheel Rim 24 x 14 VR with Center Axle Hole Wheel Rim 24 x 14...
Part #: 2994 2× White
Brick 2 x 4 Brick 2 x 4
Part #: 3001 1× Green
Brick 2 x 4 Brick 2 x 4
Part #: 3001 25× Black
Brick 2 x 2 Brick 2 x 2
Part #: 3003 20× Black
Brick 1 x 2 Brick 1 x 2
Part #: 3004 4× Yellow
Brick 1 x 2 Brick 1 x 2
Part #: 3004 4× Green
Brick 1 x 2 Brick 1 x 2
Part #: 3004 20× Black
Brick 2 x 8 Brick 2 x 8
Part #: 3007 8× Black
Brick 1 x 4 Brick 1 x 4
Part #: 3010 6× Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 6× Yellow
Plate 2 x 2 Plate 2 x 2
Part #: 3022 2× Green
Plate 2 x 2 Plate 2 x 2
Part #: 3022 8× Light Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 4× Blue
Plate 1 x 2 Plate 1 x 2
Part #: 3023 20× Light Gray
Plate 1 x 1 Plate 1 x 1
Part #: 3024 8× Light Gray
Plate 6 x 10 Plate 6 x 10
Part #: 3033 1× Light Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 4× Green
Brick Sloped 45° 2 x 2 Brick Sloped 45° ...
Part #: 3039 3× Green
Brick Sloped 45° 2 x 1 with Bottom Pin Brick Sloped 45° ...
Part #: 3040b 12× Black
Brick Sloped 45° 2 x 1 with Bottom Pin Brick Sloped 45° ...
Part #: 3040b 4× Yellow
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 4× Blue
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 2× Dark Gray
Technic Plate 2 x 6 [5 Holes] Technic Plate 2 x...
Part #: 32001 4× Light Gray
Technic Pin 3/4 Technic Pin 3/4
Part #: 32002 16× Dark Gray
Technic Tread Hub Technic Tread Hub
Part #: 32007 4× White
Technic Beam 1 x 11.5 Double Bent Thick Technic Beam 1 x ...
Part #: 32009 4× Yellow
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 4× Blue
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 4× Blue
Technic Axle and Pin Connector Angled #5 - 112.5° Technic Axle and ...
Part #: 32015 4× Light Gray
Technic Beam 1 x 5 Thin Technic Beam 1 x ...
Part #: 32017 4× Light Gray
Plate Special 1 x 2 with Door Rail Plate Special 1 x...
Part #: 32028 8× Light Gray
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 2× Blue
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 8× Light Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 4× Blue
Technic Beam 3 x 3 L-Shape Thin Technic Beam 3 x ...
Part #: 32056 4× Light Gray
Technic Gear Timing Wheel 8 Tooth Technic Gear Timi...
Part #: 32060 1× Light Gray
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 10× Black
Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Technic Brick 1 x...
Part #: 32064b 8× Green
Technic Beam 1 x 7 Thin Technic Beam 1 x ...
Part #: 32065 4× Black
Technic Axle and Pin Connector Perpendicular 3L with Pin Hole Technic Axle and ...
Part #: 32068 2× Light Gray
Technic Steering Arm with 2 Pins Technic Steering ...
Part #: 32069 2× Black
Technic Axle 5 Technic Axle 5
Part #: 32073 2× Light Gray
Technic Bush 1/2 Smooth with Axle Hole Reduced Technic Bush 1/2 ...
Part #: 32123a 18× Light Gray
Technic Modular Connector Technic Modular C...
Part #: 32137 4× Trans-Dark Blue
Technic Pin Double with Axle Hole Technic Pin Doubl...
Part #: 32138 2× Yellow
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 2× Black
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 2× Blue
Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32250 2× Blue
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] Technic Gear 20 T...
Part #: 32269 1× White
Technic Beam 1 x 4 Thin Technic Beam 1 x ...
Part #: 32449 2× Blue
Plate 1 x 8 Plate 1 x 8
Part #: 3460 8× Light Gray
Wheel with Split Axle hole Wheel with Split ...
Part #: 3482 10× Yellow
Tyre Offset Tread 24 x 8 Tyre Offset Tread...
Part #: 3483 2× Black
Plate 1 x 3 Plate 1 x 3
Part #: 3623 2× Yellow
Tyre 43 x 17 Tyre 43 x 17
Part #: 3634 4× Black
Technic Gear 8 Tooth Technic Gear 8 Tooth
Part #: 3647 6× Light Gray
Technic Gear 24 Tooth [New Style with Single Axle Hole] Technic Gear 24 T...
Part #: 3648b 4× Light Gray
Technic Gear 40 Tooth Technic Gear 40 T...
Part #: 3649 4× Light Gray
Technic Gear 24 Tooth Crown with Reinforcements [New Style] Technic Gear 24 T...
Part #: 3650c 4× Light Gray
Brick Sloped Inverted 45° 2 x 1 Brick Sloped Inve...
Part #: 3665 4× Yellow
Brick Sloped Inverted 45° 2 x 1 Brick Sloped Inve...
Part #: 3665 4× Black
Plate 1 x 6 Plate 1 x 6
Part #: 3666 10× Light Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 24× Light Gray
Turntable 2 x 2 Plate - Top Turntable 2 x 2 P...
Part #: 3679 2× Light Gray
Turntable 2 x 2 Plate, Base Turntable 2 x 2 P...
Part #: 3680 2× Blue
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 12× Black
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 4× Yellow
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 2× Green
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 10× Black
Technic Brick 1 x 8 [7 Pin Holes] Technic Brick 1 x...
Part #: 3702 8× Black
Technic Brick 1 x 16 [15 Pin Holes] Technic Brick 1 x...
Part #: 3703 6× Black
Technic Axle 4 Technic Axle 4
Part #: 3705 7× Black
Technic Axle 6 Technic Axle 6
Part #: 3706 8× Black
Technic Axle 8 Technic Axle 8
Part #: 3707 7× Black
Technic Axle 12 Technic Axle 12
Part #: 3708 2× Black
Technic Plate 2 x 4 [3 Holes] Technic Plate 2 x...
Part #: 3709 4× Light Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 10× Light Gray
Technic Bush Technic Bush
Part #: 3713 40× Light Gray
Technic Steering Pulley Large Technic Steering ...
Part #: 3736 2× Light Gray
Technic Axle 10 Technic Axle 10
Part #: 3737 4× Black
Technic Plate 2 x 8 [7 Holes] Technic Plate 2 x...
Part #: 3738 8× Light Gray
Technic Gear Rack 1 x 4 Technic Gear Rack...
Part #: 3743 4× Light Gray
Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Brick Sloped Inve...
Part #: 3747b 4× Black
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 16× Tan
Plate 2 x 10 Plate 2 x 10
Part #: 3832 6× Light Gray
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 8× Black
Technic Brick 1 x 12 [11 Pin Holes] Technic Brick 1 x...
Part #: 3895 6× Black
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 8× Black
Bracket 2 x 2 - 2 x 2 Bracket 2 x 2 - 2...
Part #: 3956 4× Light Gray
Dish 4 x 4 Inverted [Radar] Dish 4 x 4 Invert...
Part #: 3960 2× White
Technic Gear 16 Tooth with Round Holes [Old Style] Technic Gear 16 T...
Part #: 4019 4× Light Gray
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 2× White
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 2× Blue
Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Plate Special 1 x...
Part #: 4085c 2× Black
Technic Wedge Belt Wheel [aka Pulley] Technic Wedge Bel...
Part #: 4185 4× Light Gray
Arm Grab Jaw Holder, 3 Fingers Arm Grab Jaw Hold...
Part #: 4220 2× Yellow
Arm Grab Jaw Arm Grab Jaw
Part #: 4221 4× Black
Technic Pin 1/2 without Friction Ridges Technic Pin 1/2 w...
Part #: 4274 8× Light Gray
Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs] Hinge Plate 1 x 2...
Part #: 4275b 2× Black
Plate 1 x 10 Plate 1 x 10
Part #: 4477 6× Light Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 3× Light Gray
Hinge Tile 1 x 2 1/2 with 2 Fingers on Top Hinge Tile 1 x 2 ...
Part #: 4531 2× Black
Cone 1 x 1 [No Top Groove] Cone 1 x 1 [No To...
Part #: 4589 2× White
Cone 1 x 1 [No Top Groove] Cone 1 x 1 [No To...
Part #: 4589 2× Yellow
Technic Worm Gear Technic Worm Gear
Part #: 4716 4× Black
Wire with Brick 2 x 2 x 2/3 Pair, 15L Wire with Brick 2...
Part #: 5306bc015 6× Black
Brick Separator v1.0 Brick Separator v1.0
Part #: 6007 1× Green
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Plate Special 1 x...
Part #: 6019 2× Black
Light Brick 1 x 2 with Single Side Light Light Brick 1 x 2...
Part #: 6035 1× White
Arm Piece with Pin, 2 Fingers Arm Piece with Pi...
Part #: 6048a 2× Black
Creature Body Part, Dragon Wing Creature Body Par...
Part #: 6133 2× Trans-Neon Orange
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 2× Blue
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 2× Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 2× White
Brick Curved 2 x 3 Brick Curved 2 x 3
Part #: 6215 4× Green
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 6× Light Gray
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 8× Light Gray
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Technic Axle 1.5 ...
Part #: 6553 4× Light Gray
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 8× Black
Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides Technic Gear Diff...
Part #: 6573 1× Dark Gray
Technic Cam Technic Cam
Part #: 6575 2× Light Gray
Tyre 30.4 x 14 VR Tyre 30.4 x 14 VR
Part #: 6578 2× Black
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 2× Dark Gray
Technic Gearbox 2 x 4 x 3 1/3 Technic Gearbox 2...
Part #: 6588 1× Yellow
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 8× Light Gray
Tyre 49.6 x 28 VR Tyre 49.6 x 28 VR
Part #: 6594 2× Black
Wheel 49.6 x 28 VR (36.8 x 26) with Axle Hole Wheel 49.6 x 28 V...
Part #: 6595 2× White
Technic Beam 1 x 9 Bent (6 - 4) Thick Technic Beam 1 x ...
Part #: 6629 4× Black
Technic Gear Rack 1 x 8 with Holes Technic Gear Rack...
Part #: 6630 1× Light Gray
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 4× Light Gray
Dish 2 x 2 x 2/3 Light Reflector Dish 2 x 2 x 2/3 ...
Part #: 71128 1× Chrome Silver
Tread Large, Technic [34 Links] Tread Large, Tech...
Part #: 71372 2× Black
Motor, 9V Mini [Old Style] Motor, 9V Mini [O...
Part #: 71427c01 1× Light Gray
Rubber Band Small 13mm (Square Cross Section) Rubber Band Small...
Part #: 71509 4× Black
Hose Rigid 3mm D. 16L / 12.8cm Hose Rigid 3mm D....
Part #: 75c16 2× Yellow
Hose, Ribbed 7mm D. 8L / 6.4cm Hose, Ribbed 7mm ...
Part #: 78c08 4× Dark Turquoise
Hose, Ribbed 7mm D. 8L / 6.4cm Hose, Ribbed 7mm ...
Part #: 78c08 4× Black
Hose, Ribbed 7mm D. 11L / 8.8cm Hose, Ribbed 7mm ...
Part #: 78c11 4× Purple
Rubber Belt Small [15mm ID] [Round Cross Section] Rubber Belt Small...
Part #: 85543 3× White
Technic Rubber Belt Medium [24mm ID] [Round Cross Section] Technic Rubber Be...
Part #: 85544 3× Blue
Technic Rubber Belt Medium [26mm ID] [Round Cross Section] Technic Rubber Be...
Part #: 85545 3× Yellow
Sensor, Touch Sensor, Touch
Part #: 879 2× Light Gray
Hub, RCX 2.0, No Power Jack [Complete Assembly] Hub, RCX 2.0, No ...
Part #: 884c 1× Yellow
Technic Universal Joint 4L [Complete Assembly] Technic Universal...
Part #: 9244 2× Light Gray
Activity Booklet - Cover and Inventory Card - Set 9794 Activity Booklet ...
Part #: 9794bc 1× [No Color/Any Color]
🧱 Playmat / Test Ma...
Part #: 45533 1× [No Color/Any Color]
🧱 Storage Bin Lid, ...
Part #: 71082 1× Trans-Clear
🧱 Storage Bin, Dact...
Part #: upn0038 1× Bright Green
The set includes a substantial quantity of Technic pins and bushings, useful for creating complex mechanical linkages and structures. The abundance of black and light gray bricks provides a solid foundation for building various robotic models.

🛒 Where to Buy

💎 Notable Parts

Light Gray Technic Bush (40x) $2.00
Black Brick 2 x 4 (25x) $1.25
Light Gray Technic Pin without Friction Ridges Lengthwise (24x) $1.20
Black Technic Pin with Friction Ridges Lengthwise and Center Slots (24x) $1.20
Yellow Wheel with Split Axle hole (10x) $1.00
Est. BrickLink Part Value
$6.65

💡 MOC Potential

🤖 Autonomous vehicles with custom sensor configurations
🚗 Industrial automation systems with programmable logic
🌳 Robotic animal simulations with movement patterns

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Charts Inventory Statistics

151
Unique Parts
831
Official Piece Count
833
Cataloged Inventory Pieces
0
Minifigures

LEGO counts 831 pieces. This inventory comes from a separate parts catalog and lists 833; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Inventory Version: 2

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