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LEGO ROBOLAB Amusement Park Set

Set #9725 · 2005 · 306 pieces · Moderate build

LEGO ROBOLAB Amusement Park Set set 9725 instructions

Set Details

Set Number
9725
Name
ROBOLAB Amusement Park Set
Year
2005
Pieces
306
Complexity
Moderate
Build Time
1-2 hours
Ages
8+
Type
Educational
LF
LegoFinder Editorial Team·Set data verified 2026·How we research sets

About LEGO ROBOLAB Amusement Park Set

LEGO ROBOLAB Amusement Park Set (set #9725) is a detailed build with 306 pieces from the Mindstorms theme, released in 2005. 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

  • 306 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

306 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

1

A five-minute sort by color or piece type before starting saves time hunting for specific bricks mid-step.

2

Follow the numbered steps in sequence — structural elements early in the build support everything that comes after.

3

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 Amusement Park Set (#9725) 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 Amusement Park Set FAQ

Related Reading

More Mindstorms Sets

See all Mindstorms →

Also Released in 2005

All 2005 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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