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LEGO Mindstorms Robotics Invention System Set 1.5 9747 CD-ROM (Windows PC) : LEGO : Free Download, Borrow, and Streaming : Internet Archive
![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?1695732159.7320812)
LEGO Set 9747-1 Robotics Invention System, Version 1.5 (1999 Mindstorms > RCX) | Rebrickable - Build with LEGO
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