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% repair risk 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

Part	Color	Qty	LEGO price each
Bracket 1 x 2 - 1 x 4 [Rounded Corners] 10201	Light Bluish Gray	1×	Check price → View
Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] 10247	Red	1×	€0,10 View at LEGO → View
Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] 10247	White	1×	€0,10 View at LEGO → View
Tile Special 2 x 2 Inverted 11203	Light Bluish Gray	3×	€0,10 View at LEGO → View
Brick Special 1 x 2 with 2 Studs on 1 Side 11211	Tan	3×	€0,13 View at LEGO → View
Plate Special 1 x 2 with Clip Horizontal on Side 11476	Light Bluish Gray	2×	€0,15 View at LEGO → View
Brick 1 x 1 x 3 14716	Light Bluish Gray	1×	€0,13 View at LEGO → View
Tile Round 2 x 2 with Bottom Stud Holder 14769	White	1×	€0,07 View at LEGO → View
Fence Spindled 1 x 4 x 2 [4 Top Studs] 15332	Black	2×	€0,39 View at LEGO → View
Technic Pin Connector 3L with 2 Pins and Center Hole 15461	Black	3×	Check price → View
Brick Special 1 x 4 with Masonry Brick Profile 15533	Medium Nougat	12×	€0,23 View at LEGO → View
Tile Round 2 x 2 with Hole 15535	Light Bluish Gray	4×	€0,07 View at LEGO → View

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Repairability

Can you fix The Mountain Cave if a piece goes missing?

4.5%Moderate repair risk

easy to fixguard this box

16 of the 355 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.

Theme average

4.5%

All sets

6.7%

Hardest to replace

Equipment Shovel Blocky · Flat Silver · only this setMinifig Head Special, Cube · Black · only this setAnimal Body Part, Head Blocky · Light Bluish Gray · only this set

How we calculate this →