LEGO 9747 Robotics Invention Systems Instructions, Technic: Mindstorm
Robotics Invention System, Version 1.5 - LEGO set #9747-1 (Building Sets)
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LEGO part 4127972 - Paper, Test Mat for Mindstorms Robotics Invention System 1.5 at BrickScout
Restoring the LEGO Mindstorms Robotics Invention System set - YouTube
Robotics Invention System 1.5 - User Guide - LEGO Mindstorms 9747 | eBay
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BrickLink - Set 9747-1 : LEGO Robotics Invention System, Version 1.5 [ Mindstorms:RCX] - BrickLink Reference Catalog