Certified Used Set 3804 Mindstorms Robotics Invention System 2.0
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Robotics Invention System, Version 2.0 : Set 3804-1 | BrickLink
LEGO (9747) Mindstorms Robotics Invention System 1.5 42884097479 | eBay
LEGO 9719 Robotics Invention System, Version 1.0 Set Parts Inventory and Instructions - LEGO Reference Guide
10 Cool Lego Mindstorm Robotics Invention System 2 Projects: Amazing Projects You Can Build in Under an Hour: Syngress: 9781931836616: Amazon.com: Books