LEGO ROBOLAB Team Challenge Set Version 2.5 [USB]
Set #9794 · 2003 · 833 pieces · Advanced build
![LEGO ROBOLAB Team Challenge Set Version 2.5 [USB] set 9794 instructions](https://cdn.rebrickable.com/media/sets/9794-1.jpg)
Set Details
- Set Number
- 9794
- Name
- ROBOLAB Team Challenge Set Version 2.5 [USB]
- Theme
- Mindstorms
- Year
- 2003
- Pieces
- 833
- Complexity
- Advanced
- Build Time
- 4-8 hours
- Ages
- 14+
- Type
- Educational
About LEGO ROBOLAB Team Challenge Set Version 2.5 [USB]
LEGO ROBOLAB Team Challenge Set Version 2.5 [USB] (set #9794) is a large, detailed build with 833 pieces from the Mindstorms theme, released in 2003. The Mindstorms line features programmable robotics kits combining bricks with sensors and motors. At 833 pieces, this is a advanced-level build with an estimated build time of 4-8 hours, suitable for ages 14+.
Set Highlights
- 833 pieces at advanced complexity — a 4-8 hours build.
- Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
- Play-focused build with interactive elements designed for 14+ builders.
Who Is This Set For?
Gift for Ages 14+
The advanced difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 14+ age range.
Weekend Build Project
833 pieces with an estimated 4-8 hours fits comfortably into a focused afternoon or weekend session.
Expanding a Mindstorms Collection
A solid addition for collectors building out their Mindstorms shelf. Introduces parts and builds that complement other sets from the same line.
Build Tips
A five-minute sort by color or piece type before starting saves time hunting for specific bricks mid-step.
Follow the numbered steps in sequence — structural elements early in the build support everything that comes after.
Keep the instruction booklet after building — it's the most reliable reference for disassembly, cleaning, or reassembly after storage.
Finding Instructions
Building instructions for LEGO ROBOLAB Team Challenge Set Version 2.5 [USB] (#9794) are available as a free PDF on LEGO.com. You can also upload a photo of this set to LegoFinder to identify it and access the instructions directly.
ROBOLAB Team Challenge Set Version 2.5 [USB] FAQ
Related Reading
More Mindstorms Sets
See all Mindstorms →![LEGO Robo Technology Set [USB Cable]](https://cdn.rebrickable.com/media/sets/9786-1.jpg)
![LEGO ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]](https://cdn.rebrickable.com/media/sets/9793-1.jpg)
Also Released in 2003
All 2003 sets →Similar Build Difficulty
Sets at roughly the same piece count and complexity tier — different theme and year, but a similar build experience.
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