| Image | Item No. | Description |
| 3803-1 (Inv) | Robotics Invention System Upgrade Kit (1.5)
70 Parts, 1999
Catalog: Sets: MINDSTORMS: RCX |
| 3804-1 (Inv) | Robotics Invention System, Version 2.0
717 Parts, 1 Gear, 2001
Catalog: Sets: MINDSTORMS: RCX |
| 9719-1 (Inv) | Robotics Invention System, Version 1.0
727 Parts, 2 Gear, 1998
Catalog: Sets: MINDSTORMS: RCX |
| 9730-1 (Inv) | RoboSports
91 Parts, 1 Gear, 1998
Catalog: Sets: MINDSTORMS: RCX |
| 9735-1 (Inv) | Robotics Discovery Set
387 Parts, 1999
Catalog: Sets: MINDSTORMS: RCX |
| 9747-1 (Inv) | Robotics Invention System, Version 1.5
717 Parts, 1 Gear, 1999
Catalog: Sets: MINDSTORMS: RCX |
| 9756-1 (Inv) | Rotation Sensor
1 Part, 1999
Catalog: Sets: MINDSTORMS: RCX |
| 9758-1 (Inv) | Light Sensor 9V
1 Part, 1999
Catalog: Sets: MINDSTORMS: RCX |
