How many pieces does the LEGO The Mountain Cave (21137-1) have?

The LEGO The Mountain Cave set (21137-1) contains 2863 pieces. It was released in 2017 as part of the LEGO Minecraft theme.

How can I find missing parts for LEGO set 21137-1?

On BrickMissing you can check which parts from the LEGO The Mountain Cave (21137-1) you already own. Add your LEGO collection and we'll show exactly which of the 2863 pieces you're missing and which you already have.

Can I build the LEGO The Mountain Cave with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 2863 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO The Mountain Cave from?

The LEGO The Mountain Cave (21137-1) belongs to the LEGO Minecraft theme. You can browse all Minecraft sets on BrickMissing to find more sets from this theme.

The Mountain Cave

21137-1 Minecraft 2017 2863 parts 4.5% catalog rarity Expert

The LEGO Minecraft 21137-1 The Mountain Cave offers an expansive underground adventure across its 2863 pieces. This detailed build features a comprehensive minecart track system, complete with an integrated redstone-powered minecart elevator that transports vehicles through the cave depths. Play functions include a TNT blasting mechanism, a dynamic lava burst, and a charged Creeper™ explosion, bringing perilous encounters to life. A rotating spider-spawner can be illuminated by the included light brick, which also highlights areas like the wall of redstone, jack o’lantern, and the first-night shelter. The modular design allows for reconfiguring the cave layout, enhancing its display and play versatility. It includes Steve and Alex minifigures, alongside 13 different mobs, notably a Charged Creeper, ready for any subterranean exploration.

Parts Inventory

🧱 2863 parts

Showing the first 12 rows of the parts list (2863 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Light Bluish Gray	1×	Check price → View
Red	1×	€0,10 View at LEGO → View
White	1×	€0,10 View at LEGO → View
Light Bluish Gray	3×	€0,10 View at LEGO → View
Tan	3×	€0,13 View at LEGO → View
Light Bluish Gray	2×	€0,15 View at LEGO → View
Light Bluish Gray	1×	€0,13 View at LEGO → View
White	1×	€0,07 View at LEGO → View
Black	2×	€0,39 View at LEGO → View
Black	3×	Check price → View
Medium Nougat	12×	€0,23 View at LEGO → View
Light Bluish Gray	4×	€0,07 View at LEGO → View

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Catalog rarity

How common are the parts in The Mountain Cave?

4.5%Moderate rarity

more commonless common

16 of 355 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

4.4%

All sets

6.7%

Least common in our catalog

Equipment Shovel Blocky · Flat Silver · only this set in our catalogMinifig Head Special, Cube · Black · only this set in our catalogAnimal Body Part, Head Blocky · Light Bluish Gray · only this set in our catalog

How we calculate this →