LEGO 9719 Robotics Invention System, Version 1.0

Released 1998 · 737 pieces · Mindstorms · RCX

• Estimated value: $179 (modelled from piece count, era, and age — not live market data)

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• The 3rd largest of 74 Mindstorms sets
• 24¢ per piece — cheaper per piece than most Mindstorms sets

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