# Robot Inventor #51515 price

The LEGO Robot Inventor #51515 set is listed with a used value of $499 in the catalog. Since the second listing is unpriced, the $499 figure represents the typical resale value for this item based on sold comparable listings.

## Items referenced

| Item | Used | New | Page | Sold comps |
| --- | --- | --- | --- | --- |
| Robot Inventor #51515 — LEGO Mindstorms Set Value | $499 | $650 | [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) |
| LEGO Robot Inventor (51515-1) | — | — | [view](https://junkpal.ai/products/lego-51515-1) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520Robot%2520Inventor%2520(51515-1)%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 2026-07-18._

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Source: [https://junkpal.ai/answers/robot-inventor-51515-price](https://junkpal.ai/answers/robot-inventor-51515-price) · 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)