# The Mountain Cave #21137 worth

The Mountain Cave #21137 LEGO Minecraft Set is valued at $888.81 used based on catalog sales data [1]. Since the second listing, LEGO The Mountain Cave (21137-1) (Minecraft), is unpriced in the search results, I cannot provide a specific value for it. Generally, the value of these sets is driven by their condition and completeness. You can compare the current asking prices on the live eBay listings shown on your screen against the sold value of $888.81 to see how the market is currently pricing it.

## Items referenced

| Item | Used | New | Page | Sold comps |
| --- | --- | --- | --- | --- |
| The Mountain Cave #21137 — LEGO Minecraft Set Value | $888.81 | $1599.99 | [view](https://junkpal.ai/products/the-mountain-cave-21137-lego-minecraft-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DThe%2520Mountain%2520Cave%2520%252321137%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 The Mountain Cave (21137-1) | — | — | [view](https://junkpal.ai/products/lego-21137-1) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520The%2520Mountain%2520Cave%2520(21137-1)%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/the-mountain-cave-21137-worth](https://junkpal.ai/answers/the-mountain-cave-21137-worth) · 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)