LEGO Dark Side Developer Kit
Set #9754 · 2000 · 578 pieces · Substantial build
Set Details
- Set Number
- 9754
- Name
- Dark Side Developer Kit
- Theme
- Mindstorms
- Year
- 2000
- Pieces
- 578
- Complexity
- Substantial
- Build Time
- 2-4 hours
- Ages
- 10+
- Type
- Educational
About LEGO Dark Side Developer Kit
LEGO Dark Side Developer Kit (set #9754) is a large, detailed build with 578 pieces from the Mindstorms theme, released in 2000. The Mindstorms line features programmable robotics kits combining bricks with sensors and motors. At 578 pieces, this is a substantial-level build with an estimated build time of 2-4 hours, suitable for ages 10+.
Set Highlights
- 578 pieces at substantial complexity — a 2-4 hours build.
- Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
- Play-focused build with interactive elements designed for 10+ builders.
Who Is This Set For?
Gift for Ages 10+
The substantial difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 10+ age range.
Weekend Build Project
578 pieces with an estimated 2-4 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 Dark Side Developer Kit (#9754) 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.
Dark Side Developer Kit FAQ
Related Reading
More Mindstorms Sets
See all Mindstorms →![LEGO Vision Command [RCX Digital Colour Camera]](https://cdn.rebrickable.com/media/sets/9731-1.jpg)
Also Released in 2000
All 2000 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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