# LEGO Mindstorms

The LEGO Mindstorms sets shown range in value from $19.95 for the Mini Robots #40413 to $499 for the Robot Inventor #51515, with prices varying based on the specific model and its condition. The most valuable sets are typically the newer and more complex models like the Robot Inventor series. If you're looking to sell or buy, you can compare the live eBay listings shown on this page to see how current asking prices align with these sold values.

## Items referenced

| Item | Used | New | Page | Sold comps |
| --- | --- | --- | --- | --- |
| RoboSports #9730 — LEGO Mindstorms Set Value | $26.99 | $29.99 | [view](https://junkpal.ai/products/robosports-9730-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DRoboSports%2520%25239730%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Robot Inventor #51515 — LEGO Mindstorms Set Value | $499 | $613.52 | [view](https://junkpal.ai/products/robot-inventor-51515-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DRobot%2520Inventor%2520%252351515%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Mindstorms EV3 #31313 — LEGO Mindstorms Set Value | $221.67 | $430.24 | [view](https://junkpal.ai/products/mindstorms-ev3-31313-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMindstorms%2520EV3%2520%252331313%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Mindstorms NXT #8527 — LEGO Mindstorms Set Value | $95.65 | $172.31 | [view](https://junkpal.ai/products/mindstorms-nxt-8527-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMindstorms%2520NXT%2520%25238527%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Exploration Mars #9736 — LEGO Mindstorms Set Value | $30.99 | $40.73 | [view](https://junkpal.ai/products/exploration-mars-9736-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DExploration%2520Mars%2520%25239736%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Vision Command #9731 — LEGO Mindstorms Set Value | $25.99 | $37.49 | [view](https://junkpal.ai/products/vision-command-9731-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DVision%2520Command%2520%25239731%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Extreme Creatures #9732 — LEGO Mindstorms Set Value | $20.26 | $30.99 | [view](https://junkpal.ai/products/extreme-creatures-9732-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DExtreme%2520Creatures%2520%25239732%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Mini Robots #40413 — LEGO Mindstorms Set Value | $19.95 | $25.99 | [view](https://junkpal.ai/products/mini-robots-40413-lego-mindstorms-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMini%2520Robots%2520%252340413%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |

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_Updated 2026-08-12._

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Source: [https://junkpal.ai/answers/lego-mindstorms](https://junkpal.ai/answers/lego-mindstorms) · JunkPal price guide (junkpal.ai)
Values are medians of real closed eBay sales — estimates for reference, not offers or appraisals.
More machine-readable surfaces: [/llms.txt](https://junkpal.ai/llms.txt)