LEGO Mindstorms #9747 Robotics Invention System 1.5 CD

LEGO MINDSTORMS: Robotics Invention System 1.5 (9747) Read Description

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LEGO Mindstorms #3804 Robotics Invention System 2.0 CD

Lego Mindstorms RCX 9747 Robotics Invention System Version 1.5 Lego Parts Only

LEGO Mindstorms #3804 Robotics Invention System 2.0 CD