How many pieces does the LEGO ROBOLAB Amusement Park Set (9725-3) have?

The LEGO ROBOLAB Amusement Park Set set (9725-3) contains 306 pieces. It was released in 2005 as part of the LEGO Mindstorms theme.

How can I find missing parts for LEGO set 9725-3?

On BrickMissing you can check which parts from the LEGO ROBOLAB Amusement Park Set (9725-3) you already own. Add your LEGO collection and we'll show exactly which of the 306 pieces you're missing and which you already have.

Can I build the LEGO ROBOLAB Amusement Park Set with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 306 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO ROBOLAB Amusement Park Set from?

The LEGO ROBOLAB Amusement Park Set (9725-3) belongs to the LEGO Mindstorms theme. You can browse all Mindstorms sets on BrickMissing to find more sets from this theme.

ROBOLAB Amusement Park Set

9725-3 Mindstorms 2005 306 parts 7.4% repair risk Intermediate

ROBOLAB Amusement Park Set (9725-3) is a LEGO Mindstorms from 2005. The set contains 306 parts across 12 part and colour combinations in 6 colours — the full inventory below shows exactly which pieces you need to build or complete it.

Parts Inventory

🧱 306 parts

Part	Color	Qty	LEGO price each
Tyre 30 x 10.5 Offset Tread 2346	Black	2×	Check price → View
Tile 1 x 4 with Groove 2431	Black	2×	€0,12 View at LEGO → View
Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] 2444	Black	4×	Check price → View
Costume Ghost Shroud 2588	Glow In Dark Opaque	1×	Check price → View
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654	Black	2×	€0,07 View at LEGO → View
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	12×	Check price → View
Technic Wedge Belt Wheel Tire 2815	Black	2×	€0,38 View at LEGO → View
Technic Beam 1 x 4 Thin with Stud Connector 2825	Light Bluish Gray	2×	€0,21 View at LEGO → View
Technic Engine Crankshaft Center 2854	Dark Bluish Gray	2×	Check price → View
Sensor, Light with Fixed Cable 2982c01	Black	1×	Check price → View
Motor Pulley, 9V Micromotor with axle hole 2983	Light Bluish Gray	2×	Check price → View
Brick 2 x 4 3001	Red	2×	€0,22 View at LEGO → View