![LEGO 9747 Robotics Invention System, Version 1.5 Set Parts Inventory and Instructions - LEGO Reference Guide LEGO 9747 Robotics Invention System, Version 1.5 Set Parts Inventory and Instructions - LEGO Reference Guide](https://www.toysperiod.com/img/cache/65/0x0/d4e4o5g414f4w5w5n4z5m44426a4k4l4y5v2d4139423u234y2v2z3j4l4f4s2u204q2.jpg)
LEGO 9747 Robotics Invention System, Version 1.5 Set Parts Inventory and Instructions - LEGO Reference Guide
![LEGO Set 9747-1 Robotics Invention System, Version 1.5 (1999 Mindstorms > RCX) | Rebrickable - Build with LEGO LEGO Set 9747-1 Robotics Invention System, Version 1.5 (1999 Mindstorms > RCX) | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/sets/9747-1/11360.jpg/1000x800p.jpg?1693617354.432961)
LEGO Set 9747-1 Robotics Invention System, Version 1.5 (1999 Mindstorms > RCX) | Rebrickable - Build with LEGO
![LEGO Set 9747-1 Robotics Invention System, Version 1.5 (1999 Mindstorms > RCX) | Rebrickable - Build with LEGO LEGO Set 9747-1 Robotics Invention System, Version 1.5 (1999 Mindstorms > RCX) | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/sets/9747-1/124895.jpg/1000x800p.jpg)
LEGO Set 9747-1 Robotics Invention System, Version 1.5 (1999 Mindstorms > RCX) | Rebrickable - Build with LEGO
![LEGO 9747 Robotics Invention System, Version 1.5 Set Parts Inventory and Instructions - LEGO Reference Guide LEGO 9747 Robotics Invention System, Version 1.5 Set Parts Inventory and Instructions - LEGO Reference Guide](https://www.toysperiod.com/img/cache/3a/0x0/d4e4o5g414f4w5w5n4z5m44426a4k4l4y5v2d4139423u234x2w2z3j4l4f4s2u204q2.jpg)