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 |