LEGO Robo Technology Set [USB Cable]
Set #9786 · 2003 · 222 pieces · Moderate build
![LEGO Robo Technology Set [USB Cable] set 9786 instructions](https://cdn.rebrickable.com/media/sets/9786-1.jpg)
Set Details
- Set Number
- 9786
- Name
- Robo Technology Set [USB Cable]
- Theme
- Mindstorms
- Year
- 2003
- Pieces
- 222
- Complexity
- Moderate
- Build Time
- 1-2 hours
- Ages
- 8+
- Type
- Educational
About LEGO Robo Technology Set [USB Cable]
LEGO Robo Technology Set [USB Cable] (set #9786) is a mid-sized build with 222 pieces from the Mindstorms theme, released in 2003. The Mindstorms line features programmable robotics kits combining bricks with sensors and motors. This is a moderate-level build suitable for ages 8+, with an estimated build time of 1-2 hours.
Set Highlights
- 222 pieces at moderate complexity — a 1-2 hours build.
- Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
- Play-focused build with interactive elements designed for 8+ builders.
Who Is This Set For?
Gift for Ages 8+
The moderate difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 8+ age range.
Weekend Build Project
222 pieces with an estimated 1-2 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
Check the piece count on the bag against the parts list before starting — knowing what you have prevents mid-build surprises.
Even in small sets, connection order matters. Follow the steps rather than building sections independently.
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 Robo Technology Set [USB Cable] (#9786) 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.
Robo Technology Set [USB Cable] FAQ
Related Reading
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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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