LEGO Mindstorms resale values
20 LEGO Mindstorms priced on real sold comps, ranging from $19 to $510. See what each is worth — loose or complete — before you buy or sell.
Updated September 2026 · prices refresh as new sales close.
Ultimate Accessory Set #3801$30 occasion
RoboSports #9730$27 occasion
Vision Command #9731$26 occasion
Extreme Creatures #9732$21 occasion
Exploration Mars #9736$30 occasion
Mini Robots #40413$19 occasion
Ultimate Builders Set #3800$50 occasion
Robotics Invention System Upgrade Kit #3803
Dark Side Developer Kit #9754$126 occasion
Droid Developer Kit #9748$67 occasion
Green City Challenge Set #9594$120 occasion
Mindstorms NXT 2.0 #8547$114 occasion
Mindstorms NXT #8527$93 occasion
Mindstorms EV3 #31313$219 occasion
Robotics Invention System [1.0] #9719$81 occasion
Robot Inventor #51515$510 occasion
Robotics Invention System [1.5] #9747$100 occasion
Mindstorms Education NXT Base Set #9797$65 occasion
Robotics Invention System [Version 2.0] #3804$60 occasion
Robotics Discovery Set #9735$68 occasion
Values are informational estimates from real sales data. JunkPal may earn a commission when you buy through eBay links, at no extra cost to you.