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LEGO 3804 Robotics Invention System, Version 2.0 Set Parts Inventory and Instructions - LEGO Reference Guide
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1998 – LEGO Mindstorms: The Robotics Invention System (RCX) | Smart Robotics with LEGO MINDSTORMS Robot Inventor
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LEGO Set 3804-1 Robotics Invention System, Version 2.0 (2001 Mindstorms > RCX) | Rebrickable - Build with LEGO
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