LEGO Mindstorms Robotics Invention System Set 1.5 9747 CD-ROM (Windows PC) : LEGO : Free Download, Borrow, and Streaming : Internet Archive
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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/9747-1/124895.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/13/0x0/d4e4o5g414f4w5w5n4z5m44426a4k4l4y5v2d4139423u234z2z2z3j4l4f4s2u204q2.jpg)
LEGO 9747 Robotics Invention System, Version 1.5 Set Parts Inventory and Instructions - LEGO Reference Guide
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Buy 9747 Mindstorms - Robotics Invention System LEGO® Toys on the Store | Auctions | Best Deals at the Lowest Price
![Got 4 of these old mindstorms today, but no software. Any idea how to play without the 20 y/o CD-rom? : r/lego Got 4 of these old mindstorms today, but no software. Any idea how to play without the 20 y/o CD-rom? : r/lego](https://preview.redd.it/got-4-of-these-old-mindstorms-today-but-no-software-any-v0-tjxkhkptjtoa1.jpg?width=640&crop=smart&auto=webp&s=ae5f944eb06351a504f4c837fc36fea01393e319)
Got 4 of these old mindstorms today, but no software. Any idea how to play without the 20 y/o CD-rom? : r/lego
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