LEGO RCX Sets

Collect all 14 LEGO RCX sets, released between 1998 and 2005. Part of the wider Mindstorms theme. The biggest build is ROBOLAB Starter Building Set (9780-1) at 1,712 pieces. Hunt 11 minifigures across 14 sets.

Quick facts

Sets: 14
Years: 1998-2005
Total pieces: 5,543
Minifigures: 11

Updated 7 Oct 2026.

Most owned

All 14 sets

ROBOLAB Amusement Park Set

9725-3 - 2005 - 306 pcs

ROBOLAB Team Challenge Set Version 2.5 [USB]

9794-1 - 2003 - 833 pcs

Robo Technology Set (Serial Cable)

9785-1 - 2003 - 221 pcs

Robo Technology Set [USB Cable]

9786-1 - 2003 - 222 pcs

ROBOLAB Amusement Park Set

9725-2 - 2002 - 270 pcs

ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]

9793-1 - 2002 - 835 pcs

Infrared Transmitter with USB Cable

9783-1 - 2001 - 1 pcs

ROBOLAB Intelligent House Building Set

9795-1 - 2001 - 164 pcs

ROBOLAB Amusement Park Set

9725-1 - 1999 - 248 pcs

ROBOLAB Team Challenge Set (Serial)

9790-1 - 1999 - 727 pcs

DCP Sensor Adapter

9917-1 - 1998 - 1 pcs

Infrared Transmission Tower

9713-1 - 1998 - 2 pcs

RCX Programmable Brick

9709-1 - 1998 - 1 pcs

ROBOLAB Starter Building Set

9780-1 - 1998 - 1712 pcs