Set values / LEGO The Mountain Cave #21137
LEGO The Mountain Cave 21137
Minecraft · 2017

LEGO The Mountain Cave #21137

Retired 2018-12-12
Value now (new)
$1,627
+551% vs retail
Retail price$250
Value now (used)$839
New price range$1,200 to $2,230
Prices as of 2026-07-19
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Is LEGO The Mountain Cave a good investment?

LEGO The Mountain Cave is retired and trades +551% versus its original retail price. Retired sets usually keep climbing as sealed supply dries up, so most collectors hold and sell into a spike rather than flipping now.

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About LEGO The Mountain Cave

The LEGO The Mountain Cave (set 21137) is a Minecraft set released in 2017 with ? pieces. It has retired and is no longer produced by LEGO, which is often when collectible sets start to gain value.

It originally sold for $250. Today, sealed copies trade around $1,627 on the secondary market, a gain of 551% versus its original price. Used copies average $839, with listings ranging from $1,200 to $2,230.

Prices for the LEGO The Mountain Cave come from live BrickLink marketplace data, updated regularly. To see its full price history, retirement forecast and the best window to sell, track it in your free BrickGains portfolio.

Specifications

Set number21137
ThemeMinecraft
Year released2017
Pieces-
Price per piece-
Original retail price$250
StatusRetired 2018-12-12
Current value (new)$1,627
Change vs retail+551%
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