# LEGO 21137-1 — The Mountain Cave (2017)

Source: https://www.brickmissing.com/sets/21137-1-the-mountain-cave
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

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.

## Set facts

- Set number: 21137-1
- Name: The Mountain Cave
- Theme: Minecraft › Minifig-scale
- Released: 2017
- Pieces: 2863
- Distinct part + colour lots: 355
- Build difficulty: expert
- Repairability: 4.5% of this set's lots are hard to replace (16 of 355 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (355 lots, 2863 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 1 | Bracket 1 x 2 - 1 x 4 [Rounded Corners] | Light Bluish Gray | 10201 | 6014615 | — |
| 1 | Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] | Red | 10247 | 6014616 | €0,10 |
| 1 | Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] | White | 10247 | 6061024 | €0,10 |
| 3 | Tile Special 2 x 2 Inverted | Light Bluish Gray | 11203 | 6132886 | €0,10 |
| 3 | Brick Special 1 x 2 with 2 Studs on 1 Side | Tan | 11211 | 6024495 | €0,13 |
| 2 | Plate Special 1 x 2 with Clip Horizontal on Side | Light Bluish Gray | 11476 | 6313114 | €0,15 |
| 1 | Brick 1 x 1 x 3 | Light Bluish Gray | 14716 | 6061702 | €0,13 |
| 1 | Tile Round 2 x 2 with Bottom Stud Holder | White | 14769 | 6044691 | €0,07 |
| 2 | Fence Spindled 1 x 4 x 2 [4 Top Studs] | Black | 15332 | 6066113 | €0,39 |
| 3 | Technic Pin Connector 3L with 2 Pins and Center Hole | Black | 15461 | 6055630 | — |
| 12 | Brick Special 1 x 4 with Masonry Brick Profile | Medium Nougat | 15533 | 6055309 | €0,23 |
| 4 | Tile Round 2 x 2 with Hole | Light Bluish Gray | 15535 | 6179186 | €0,07 |
| 2 | Tile Round 2 x 2 with Hole | Red | 15535 | 6102138 | €0,07 |
| 68 | Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) | Reddish Brown | 15573 | 6092590 | €0,06 |
| 4 | Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) | Light Bluish Gray | 15573 | 6066097 | €0,06 |
| 4 | Tile Special 1 x 1 with Clip with Rounded Edges | Black | 15712 | 6335388 | €0,12 |
| 2 | Tile Special 1 x 1 with Clip with Rounded Edges | Dark Bluish Gray | 15712 | 6344022 | €0,12 |
| 3 | Bracket 3 x 2 x 1 1/3 with Pin Bottom | Light Bluish Gray | 18671 | 6093054 | — |
| 22 | Plate Special 1 x 2 with Pin Hole Underneath | Light Bluish Gray | 18677 | 6168633 | €0,07 |
| 1 | Weapon Sword Blocky | Medium Azure | 18787 | 6093623 | — |
| 1 | Weapon Axe Blocky | Flat Silver | 18788 | 6089099 | — |
| 1 | Tool Pickaxe Blocky, Double | Medium Lavender | 18789 | 6114400 | — |
| 1 | Equipment Shovel Blocky | Flat Silver | 18791 | 6189212 | — |
| 1 | Weapon Bow and Arrow, Blocky | Reddish Brown | 18792 | 6089103 | — |
| 1 | Equipment Scissors | Flat Silver | 18920 | 6096993 | €0,13 |
| 1 | Technic Gear 16 Tooth with Clutch on Both Sides | Red | 18946 | 6100930 | €0,42 |
| 1 | Minifig Head Special, Cube with Rear Ledge, Pixelated White and Tan Face, Dark Tan Outline with Pink Mouth Print | Black | 19727pr0020 | 6196991 | — |
| 1 | Minifig Head Special, Cube with Rear Ledge, Pixelated Red and Black Face Print (Spider) | Dark Blue | 19727pr9998 | 6134894 | — |
| 1 | Minifig Head Special, Cube [Plain] | Dark Brown | 19729 | 6101984 | — |
| 1 | Minifig Head Special, Cube with Pumpkin Jack O' Lantern Print | Orange | 19729pr0005 | 6103099 | — |
| 1 | Minifig Head Special, Cube with Creeper Face Print | Light Bluish Gray | 19729pr0006 | 6104327 | — |
| 2 | Minifig Head Special, Cube with Slime, 3 Dark Green Squares Print | Trans-Bright Green | 19729pr2183 | 6179172 | — |
| 2 | Animal Body Part, Head Blocky with Pixelated Face with Red Eyes Print (Wolf) | Light Bluish Gray | 20308pr0002 | 6192716 | — |
| 7 | Technic Pin Connector Hub with 1 Axle | Dark Brown | 22961 | 6134197 | €0,13 |
| 1 | Spiral [Fireman] Pole 32L | Dark Tan | 23421 | 6186836 | — |
| 1 | Equipment Spiral Pole Attachment - 2 Bent Handles and 3 Internal Splines | Dark Bluish Gray | 23422 | 6137325 | — |
| 1 | Bar Holder with Hole and Bar Handle | Light Bluish Gray | 23443 | 6343976 | €0,07 |
| 1 | Brick 2 x 2 Corner | Reddish Brown | 2357 | 4211200 | €0,16 |
| 28 | Brick 2 x 2 Corner | Light Bluish Gray | 2357 | 4211349 | €0,16 |
| 2 | Plate 2 x 2 Corner | Black | 2420 | 242026 | €0,07 |
| 49 | Plate 2 x 2 Corner | Dark Bluish Gray | 2420 | 4210635 | €0,07 |
| 2 | Tile 1 x 4 with Groove | Black | 2431 | 243126 | €0,12 |
| 6 | Tile 1 x 4 with Groove | Medium Nougat | 2431 | 6102998 | €0,12 |
| 2 | Tile 1 x 4 with Groove | Dark Bluish Gray | 2431 | 4211053 | €0,12 |
| 56 | Brick 2 x 6 | Light Bluish Gray | 2456 | 4211795 | €0,29 |
| 10 | Brick 2 x 6 | Reddish Brown | 2456 | 4216615 | €0,29 |
| 24 | Brick Special 1 x 2 with Pin | Light Bluish Gray | 2458 | 4211364 | — |
| 10 | Brick 1 x 16 | Light Bluish Gray | 2465 | 4211366 | €0,63 |
| 1 | Plate 2 x 6 with Pole Holder Pin | Light Bluish Gray | 25195 | 6194727 | — |
| 1 | Plate Round 1 x 1 with Hollow Stud and Bar on Underside | Trans-Clear | 25893 | 6153264 | — |
| 2 | Plate Special 2 x 4 Pin Holes on Bottom Dia. 4.85 | Light Bluish Gray | 26599 | 6176242 | €0,23 |
| 2 | Tile 2 x 3 - Centered Black Minecraft Style Arrow - Dark Brown Lines with Single Pixel Square Print | Medium Nougat | 26603pr0006 | 6192782 | — |
| 1 | Tile 2 x 3 with 8 Silver Squares and Reddish Brown Squares on Dark Brown Background Print | Light Bluish Gray | 26603pr0010 | 6198008 | — |
| 1 | Technic Brick 1 x 10 [9 Pin Holes] | Black | 2730 | 273026 | €0,48 |
| 5 | Tile 4 x 4 Curved, Macaroni | Light Bluish Gray | 27507 | 6163989 | €0,15 |
| 121 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 9 | Tile 2 x 2 Curved, Macaroni | Light Bluish Gray | 27925 | 6163990 | €0,08 |
| 42 | Plate Special 2 x 2 Wedge, Center Stud, 1 x 1/2 Raised Tab | Reddish Brown | 27928 | 6550533 | €0,15 |
| 7 | Plate Special 2 x 2 with 2 Pin Holes | Black | 2817 | 281726 | €0,15 |
| 24 | Brick Special 1 x 1 with Handle | Medium Nougat | 2921 | 6102959 | — |
| 23 | Brick 2 x 4 | Reddish Brown | 3001 | 4211201 | €0,22 |
| 6 | Brick 2 x 4 | Dark Green | 3001 | 4260493 | €0,22 |
| 2 | Brick 2 x 4 | Tan | 3001 | 4114319 | €0,22 |
| 3 | Brick 2 x 4 | Medium Nougat | 3001 | 6135191 | €0,22 |
| 6 | Brick 2 x 4 | Orange | 3001 | 4153827 | €0,22 |
| 114 | Brick 2 x 4 | Light Bluish Gray | 3001 | 4211385 | €0,22 |
| 2 | Brick 2 x 3 | Orange | 3002 | 4153826 | €0,17 |
| 5 | Brick 2 x 3 | Light Bluish Gray | 3002 | 4211386 | €0,17 |
| 4 | Brick 2 x 2 | Orange | 3003 | 4153825 | €0,13 |
| 1 | Brick 2 x 2 | Black | 3003 | 300326 | €0,13 |
| 27 | Brick 2 x 2 | Reddish Brown | 3003 | 4211210 | €0,13 |
| 127 | Brick 2 x 2 | Light Bluish Gray | 3003 | 4211387 | €0,13 |
| 26 | Brick 2 x 2 | Medium Nougat | 3003 | 6058085 | €0,13 |
| 3 | Brick 2 x 2 | Tan | 3003 | 4114306 | €0,13 |
| 1 | Brick 2 x 2 with Light Bluish Gray and Black Pixelated Furnace Print | Dark Bluish Gray | 3003pr0035 | 6097032 | — |
| 14 | Brick 1 x 2 | Orange | 3004 | 4121739 | €0,11 |
| 9 | Brick 1 x 2 | Tan | 3004 | 4109995 | €0,11 |
| 5 | Brick 1 x 2 | Medium Nougat | 3004 | 4569382 | €0,11 |
| 2 | Brick 1 x 2 | Dark Green | 3004 | 4245570 | €0,11 |
| 2 | Brick 1 x 2 | White | 3004 | 300401 | €0,11 |
| 62 | Brick 1 x 2 | Light Bluish Gray | 3004 | 4211388 | €0,11 |
| 2 | Brick 1 x 2 with Reddish Brown and Dark Brown Lines Print | Medium Nougat | 3004pr0014 | 6097024 | — |
| 4 | Brick 1 x 2 with Black 'TNT' Pixelated Print | White | 3004pr0036 | 6097028 | — |
| 22 | Brick 1 x 1 | Medium Nougat | 3005 | 6057986 | €0,07 |
| 6 | Brick 1 x 1 | Orange | 3005 | 4173805 | €0,07 |
| 4 | Brick 1 x 1 | Light Bluish Gray | 3005 | 4211389 | €0,07 |
| 12 | Brick 1 x 1 | Trans-Orange | 3005 | 6240550 | €0,07 |
| 11 | Brick 2 x 10 | Light Bluish Gray | 3006 | 4617862 | €0,58 |
| 1 | Brick 1 x 8 | Light Bluish Gray | 3008 | 4211392 | €0,24 |
| 1 | Brick 1 x 8 | Reddish Brown | 3008 | 4263776 | €0,24 |
| 35 | Brick 1 x 6 | Light Bluish Gray | 3009 | 4211393 | €0,25 |
| 61 | Brick 1 x 4 | Light Bluish Gray | 3010 | 4211394 | €0,16 |
| 8 | Brick 1 x 4 | Reddish Brown | 3010 | 4211225 | €0,16 |
| 1 | Brick 1 x 4 | Orange | 3010 | 4118827 | €0,16 |
| 2 | Brick 2 x 2 x 3 | Reddish Brown | 30145 | 6173948 | €0,42 |
| 18 | Plate 2 x 4 | Dark Bluish Gray | 3020 | 4211065 | €0,15 |
| 5 | Plate 2 x 4 | Tan | 3020 | 4114309 | €0,15 |
| 2 | Plate 2 x 4 | Black | 3020 | 302023 | €0,15 |
| 1 | Plate 2 x 4 | Dark Blue | 3020 | 4667595 | €0,15 |
| 4 | Plate 2 x 4 | Red | 3020 | 302021 | €0,15 |
| 2 | Plate 2 x 4 | Bright Green | 3020 | 6141590 | €0,15 |
| 4 | Plate 2 x 4 | Light Bluish Gray | 3020 | 302028 | €0,15 |
| 2 | Plate 2 x 4 | Orange | 3020 | 4158355 | €0,15 |
| 3 | Plate 2 x 4 | Light Bluish Gray | 3020 | 4211395 | €0,15 |
| 6 | Plate 2 x 4 | Reddish Brown | 3020 | 4211186 | €0,15 |
| 1 | Plate 2 x 3 | Black | 3021 | 302126 | €0,13 |
| 22 | Plate 2 x 2 | Dark Bluish Gray | 3022 | 4211094 | €0,10 |
| 16 | Plate 2 x 2 | Light Bluish Gray | 3022 | 4211397 | €0,10 |
| 18 | Plate 2 x 2 | Sand Green | 3022 | 6186823 | €0,10 |
| 2 | Plate 2 x 2 | Yellow | 3022 | 302224 | €0,10 |
| 4 | Plate 2 x 2 | Orange | 3022 | 4159007 | €0,10 |
| 3 | Plate 2 x 2 | Red | 3022 | 302221 | €0,10 |
| 1 | Plate 2 x 2 | Black | 3022 | 302226 | €0,10 |
| 2 | Plate 2 x 2 | Black | 3022 | 302223 | €0,10 |
| 6 | Plate 2 x 2 | Reddish Brown | 3022 | 4216695 | €0,10 |
| 3 | Plate 2 x 2 | White | 3022 | 302201 | €0,10 |
| 14 | Plate 1 x 2 | Light Bluish Gray | 3023 | 4211398 | €0,08 |
| 3 | Plate 1 x 2 | Orange | 3023 | 4177932 | €0,08 |
| 4 | Plate 1 x 2 | Dark Blue | 3023 | 4528981 | €0,08 |
| 15 | Plate 1 x 2 | Dark Bluish Gray | 3023 | 4211063 | €0,08 |
| 2 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 9 | Plate 1 x 2 | Reddish Brown | 3023 | 4211150 | €0,08 |
| 1 | Plate 1 x 2 | Trans-Orange | 3023 | 6514005 | €0,10 |
| 1 | Plate 1 x 2 | White | 3023 | 302301 | €0,08 |
| 2 | Plate 1 x 2 | Trans-Yellow | 3023 | 6514002 | €0,10 |
| 11 | Brick Special 1 x 2 with Vertical Clip [Open O Clip] | Light Bluish Gray | 30237b | 6320297 | €0,23 |
| 6 | Brick Special 1 x 2 with Vertical Clip [Open O Clip] | Reddish Brown | 30237b | 6330202 | €0,23 |
| 9 | Plate 1 x 1 | Trans-Orange | 3024 | 6513961 | €0,06 |
| 1 | Plate 1 x 1 | Reddish Brown | 3024 | 4221744 | €0,06 |
| 8 | Plate 1 x 1 | Dark Tan | 3024 | 4549436 | €0,06 |
| 40 | Plate 1 x 1 | Light Bluish Gray | 3024 | 4211399 | €0,06 |
| 9 | Plate 1 x 1 | Trans-Yellow | 3024 | 6513966 | €0,06 |
| 1 | Plate 1 x 1 with Red, Purple Pixels (Minecraft) | Dark Blue | 3024pr0011 | 6192729 | — |
| 2 | Plate 1 x 1 with White and Black Squares/Eyes | Reddish Brown | 3024pr0012 | 6195336 | — |
| 1 | Plate 6 x 12 | Dark Bluish Gray | 3028 | 4256149 | €1,63 |
| 1 | Plate 4 x 12 | Black | 3029 | 302923 | — |
| 1 | Plate 4 x 10 | Dark Bluish Gray | 3030 | 4211122 | €0,56 |
| 1 | Plate 4 x 10 | White | 3030 | 4503008 | €0,56 |
| 1 | Plate 4 x 4 | White | 3031 | 4243812 | €0,21 |
| 1 | Plate 4 x 4 | Bright Green | 3031 | 4617799 | €0,21 |
| 2 | Plate 4 x 4 | Light Bluish Gray | 3031 | 4243797 | €0,21 |
| 2 | Plate 4 x 6 | Dark Bluish Gray | 3032 | 4211115 | €0,41 |
| 1 | Plate 4 x 6 | White | 3032 | 303201 | €0,41 |
| 1 | Plate 2 x 8 | Light Bluish Gray | 3034 | 4211406 | €0,29 |
| 1 | Plate 2 x 8 | White | 3034 | 303401 | €0,29 |
| 1 | Plate 4 x 8 | White | 3035 | 303501 | €0,46 |
| 2 | Plate 4 x 8 | Light Bluish Gray | 3035 | 4211407 | €0,46 |
| 16 | Slope 45? 2 x 2 | Orange | 3039 | 4118828 | €0,11 |
| 18 | Slope 45? 2 x 2 | Trans-Dark Blue | 3039 | 6244887 | €0,17 |
| 1 | Brick Special 1 x 4 with 4 Studs on One Side | Dark Bluish Gray | 30414 | 4210725 | €0,18 |
| 5 | Brick Special 1 x 2 with 2 Pins, Round Pin Holes | Dark Bluish Gray | 30526 | 4210697 | — |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Dark Blue | 3065 | 6514264 | €0,12 |
| 3 | Brick 1 x 2 without Bottom Tube | Trans-Bright Green | 3065 | 6514269 | €0,12 |
| 4 | Brick 1 x 2 without Bottom Tube | Trans-Clear | 3065 | 6514262 | €0,12 |
| 1 | Tile 2 x 2 with Groove | Dark Blue | 3068b | 4205004 | €0,07 |
| 4 | Tile 2 x 2 with Groove | Medium Blue | 3068b | 4171097 | — |
| 2 | Tile 2 x 2 with Groove | White | 3068b | 306801 | €0,07 |
| 4 | Tile 2 x 2 with Groove | Dark Bluish Gray | 3068b | 4211055 | €0,07 |
| 1 | Tile 2 x 2 with Dark Brown Minecraft Grid Print (Crafting Table) | Medium Nougat | 3068bpr0236 | 6097003 | — |
| 1 | Tile 2 x 2 with Pixelated Blue, Green and White Map on Tan Background Print | Dark Tan | 3068bpr0337 | 6192746 | — |
| 2 | Tile 1 x 2 with Groove | Orange | 3069b | 4188771 | €0,07 |
| 6 | Tile 1 x 2 with Groove | Light Bluish Gray | 3069b | 4211414 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Pearl Gold | 3069b | 6107197 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Dark Bluish Gray | 3069b | 4211052 | €0,07 |
| 9 | Tile 1 x 2 with Groove | Trans-Bright Green | 3069b | 6502368 | €0,07 |
| 1 | Tile 1 x 2 with Groove | Trans-Orange | 3069b | 6514225 | €0,07 |
| 4 | Tile 1 x 2 with Groove | Trans-Red | 3069b | 6514220 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Medium Nougat | 3069b | 6021997 | €0,07 |
| 4 | Tile 1 x 2 with Groove | Light Bluish Gray | 3069b | 306928 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Reddish Brown | 3069b | 4211151 | €0,07 |
| 2 | Tile 1 x 2 with Groove | White | 3069b | 306901 | €0,07 |
| 2 | Tile 1 x 1 with Groove | Trans-Red | 3070b | 6254248 | €0,06 |
| 1 | Tile 1 x 1 with Groove | Dark Blue | 3070b | 4631385 | €0,05 |
| 2 | Technic Brick 1 x 2 [2 Pin Holes] | Tan | 32000 | 4523145 | €0,10 |
| 1 | Technic Brick 1 x 2 [2 Pin Holes] | Light Bluish Gray | 32000 | 4211541 | €0,10 |
| 2 | Technic Pin 3/4 | Tan | 32002 | 6013938 | €0,08 |
| 2 | Technic Axle and Pin Connector Angled #6 - 90° | Dark Bluish Gray | 32014 | 6268923 | €0,22 |
| 5 | Technic Brick 1 x 14 [13 Pin Holes] | Black | 32018 | 4107558 | €0,56 |
| 3 | Plate Special 1 x 2 with Door Rail | Dark Bluish Gray | 32028 | 4543086 | €0,05 |
| 15 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Orange | 32054 | 4140428 | — |
| 3 | Technic Axle 2 Notched | Black | 32062 | 4109810 | €0,07 |
| 1 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | Black | 32064a | 3206423 | — |
| 6 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | Light Bluish Gray | 32064a | 6206249 | €0,17 |
| 3 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | Red | 32064a | 6196217 | €0,17 |
| 3 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | Yellow | 32064a | 6206240 | €0,17 |
| 3 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | White | 32064a | 6178921 | €0,17 |
| 2 | Technic Beam 2 x 4 L-Shape Thick | Black | 32140 | 6271825 | €0,15 |
| 2 | Technic Beam 1 x 15 Thick | Black | 32278 | 6057799 | €0,42 |
| 3 | Technic Beam 1 x 15 Thick | Yellow | 32278 | 4542579 | €0,42 |
| 2 | Technic Beam 1 x 15 Thick | Red | 32278 | 4542575 | €0,42 |
| 2 | Technic Beam 1 x 5 Thick | Dark Bluish Gray | 32316 | 4210686 | €0,19 |
| 2 | Technic Beam 1 x 5 Thick | Yellow | 32316 | 4142133 | €0,19 |
| 83 | Brick 1 x 2 x 2 with Inside Stud Holder | Light Bluish Gray | 3245c | 4211564 | €0,13 |
| 2 | Technic Beam 1 x 3 Thick | Black | 32523 | 4509376 | €0,10 |
| 1 | Technic Beam 1 x 7 Thick | Red | 32524 | 4495933 | €0,25 |
| 6 | Technic Beam 1 x 11 Thick | Dark Bluish Gray | 32525 | 4603472 | €0,33 |
| 3 | Technic Beam 3 x 5 L-Shape Thick | Black | 32526 | 4158923 | €0,24 |
| 5 | Technic Beam 3 x 5 L-Shape Thick | Yellow | 32526 | 4144022 | €0,24 |
| 1 | Technic Brick 4 x 6 with 2 x 4 Opening | Light Bluish Gray | 32531 | 4211716 | €0,87 |
| 17 | Technic Brick 6 x 8 with 4 x 6 Opening | Black | 32532 | 6448394 | €1,16 |
| 1 | Plant, Apple | Pearl Gold | 33051 | 6186834 | — |
| 2 | Plant, Carrot Top | Bright Light Orange | 33183 | 6096682 | €0,07 |
| 1 | Plant, Flower, Plate Round 1 x 1 with 4 Petals | Bright Light Blue | 33291 | 6136412 | — |
| 40 | Plant, Flower, Plate Round 1 x 1 with 4 Petals | Reddish Brown | 33291 | 4623429 | — |
| 8 | Plant, Flower, Plate Round 1 x 1 with 4 Petals | Bright Green | 33291 | 4619599 | — |
| 2 | Plate 1 x 8 | Dark Bluish Gray | 3460 | 4210998 | €0,18 |
| 3 | Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] | Dark Bluish Gray | 3660 | 4211000 | €0,15 |
| 7 | Plate 1 x 6 | Light Bluish Gray | 3666 | 4211438 | €0,17 |
| 3 | Plate 1 x 6 | Dark Bluish Gray | 3666 | 4211056 | €0,17 |
| 1 | Plate 1 x 6 | Reddish Brown | 3666 | 4221590 | €0,17 |
| 2 | Technic Pin without Friction Ridges Lengthwise | Light Bluish Gray | 3673 | 4211807 | €0,05 |
| 3 | Technic Brick 1 x 2 [1 Pin Hole] | Black | 3700 | 370026 | €0,12 |
| 2 | Technic Brick 1 x 2 [1 Pin Hole] | Light Bluish Gray | 3700 | 4211440 | €0,12 |
| 7 | Technic Brick 1 x 4 [3 Pin Holes] | Light Bluish Gray | 3701 | 4211441 | €0,17 |
| 18 | Technic Brick 1 x 16 [15 Pin Holes] | Light Bluish Gray | 3703 | 4211443 | €0,82 |
| 4 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 3 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 3 | Technic Plate 2 x 4 [3 Holes] | White | 3709 | 370901 | €0,13 |
| 2 | Technic Plate 2 x 4 [3 Holes] | Light Bluish Gray | 3709 | 4211444 | €0,13 |
| 21 | Plate 1 x 4 | Light Bluish Gray | 3710 | 4211445 | €0,12 |
| 8 | Plate 1 x 4 | Reddish Brown | 3710 | 4211190 | €0,12 |
| 2 | Technic Plate 2 x 8 [7 Holes] | Dark Bluish Gray | 3738 | 4260707 | €0,29 |
| 4 | Plate 2 x 6 | Tan | 3795 | 4113993 | €0,19 |
| 7 | Plate 2 x 6 | Reddish Brown | 3795 | 4211247 | €0,19 |
| 2 | Plate 2 x 6 | Light Bluish Gray | 3795 | 379528 | €0,19 |
| 8 | Plate 2 x 6 | Sand Green | 3795 | 6194726 | €0,19 |
| 17 | Plate 2 x 6 | Dark Bluish Gray | 3795 | 4211002 | €0,19 |
| 3 | Plate 2 x 6 | Orange | 3795 | 4121741 | €0,19 |
| 1 | Hinge Brick 1 x 4 [Upper] | Light Bluish Gray | 3830 | 6327412 | €0,27 |
| 1 | Hinge Brick 1 x 4 [Lower] | Medium Nougat | 3831 | 6102967 | — |
| 3 | Plate 2 x 10 | Reddish Brown | 3832 | 4211214 | €0,29 |
| 3 | Plate 2 x 10 | Dark Bluish Gray | 3832 | 4210678 | €0,29 |
| 1 | Plate 2 x 10 | White | 3832 | 383201 | €0,29 |
| 2 | Technic Brick 1 x 6 [5 Pin Holes] | Light Bluish Gray | 3894 | 4211466 | €0,29 |
| 7 | Plate 6 x 6 | Medium Nougat | 3958 | 6351288 | €0,53 |
| 41 | Plate 6 x 6 | Dark Bluish Gray | 3958 | 4211134 | €0,53 |
| 6 | Plate 6 x 6 | White | 3958 | 4144012 | €0,53 |
| 1 | Plate 6 x 6 | Black | 3958 | 4199519 | €0,53 |
| 2 | Plate 6 x 6 | Orange | 3958 | 6052391 | — |
| 12 | Plate 6 x 6 | Sand Green | 3958 | 6186830 | €0,53 |
| 10 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Black | 4032a | 403226 | €0,06 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Light Bluish Gray | 4032a | 4211475 | €0,06 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Light Bluish Gray | 4032a | 403228 | €0,06 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Orange | 4032a | 6030521 | €0,06 |
| 5 | Technic Beam 1 x 9 Thick | White | 40490 | 6001831 | €0,29 |
| 4 | Technic Beam 1 x 9 Thick | Light Bluish Gray | 40490 | 6102449 | €0,29 |
| 3 | Technic Beam 1 x 13 Thick | Black | 41239 | 4522933 | €0,39 |
| 2 | Brick Special 1 x 2 with Groove | Tan | 4216 | 6103001 | €0,11 |
| 4 | Brick Special 1 x 2 with Groove | Light Bluish Gray | 4216 | 4617170 | €0,11 |
| 4 | Minifig Neckwear Bracket [One Stud] | Dark Brown | 42446 | 6194728 | — |
| 2 | Technic Pin 1/2 | Black | 4274 | 4143005 | €0,05 |
| 1 | Technic Pin 1/2 | Light Bluish Gray | 4274 | 4211483 | €0,05 |
| 14 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 1 | Food Bread | Tan | 4342 | 4582437 | €0,24 |
| 1 | Bracket 1 x 2 - 2 x 2 | White | 44728 | 6117940 | €0,10 |
| 8 | Bracket 1 x 2 - 2 x 2 | Light Bluish Gray | 44728 | 6117971 | €0,10 |
| 1 | Windscreen 2 x 4 x 2 Vertical | Trans-Bright Green | 4594 | 6186839 | — |
| 6 | Plant, Flower 2 x 2 Leaves - Angular | Bright Green | 4727 | 4143562 | €0,15 |
| 2 | Treasure Chest Bottom with Rear Slots, with Groove | Pearl Gold | 4738b | 4541393 | — |
| 2 | Treasure Chest Lid [Thick Hinge] | Medium Nougat | 4739a | 6254218 | €0,46 |
| 2 | Brick Special 1 x 1 with Studs on 2 Sides | Black | 47905 | 4214559 | €0,11 |
| 2 | Plate Special 1 x 2 [Side Handle Closed Ends] | Black | 48336 | 4225201 | €0,07 |
| 6 | Panel 1 x 2 x 1 [Rounded Corners] | Light Bluish Gray | 4865b | 6146223 | €0,10 |
| 1 | Panel 1 x 2 x 1 [Rounded Corners] with Green Square | Trans-Bright Green | 4865bpr0004 | 6192795 | — |
| 2 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Trans-Orange | 54200 | 6245265 | €0,08 |
| 1 | Light Brick 2 x 3 x 1 1/3 with Dark Bluish Gray Base [Red LED] | Trans-Red | 54869 | 6555881 | €4,59 |
| 2 | Panel 1 x 6 x 5 | Light Bluish Gray | 59349 | 4527174 | €0,61 |
| 1 | Technic Axle 5.5 with Stop [Rounded Short End] | Dark Bluish Gray | 59426 | 4508553 | €0,11 |
| 2 | Cone 1 x 1 [Top Groove] | Trans-Orange | 59900 | 6172233 | €0,08 |
| 1 | Plate Round 4 x 4 with Pin Hole | Black | 60474 | 4515350 | €0,17 |
| 2 | Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud] | Medium Nougat | 60475b | 6360035 | €0,15 |
| 16 | Brick Special 1 x 1 with Clip Horizontal | Light Bluish Gray | 60476 | 6320306 | €0,19 |
| 2 | Plate Special 1 x 2 with Handle on End [Closed Ends] | Reddish Brown | 60478 | 6102975 | €0,06 |
| 1 | Plate Special 1 x 2 with Handle on End [Closed Ends] | Light Bluish Gray | 60478 | 4515369 | €0,06 |
| 2 | Plate 1 x 12 | Reddish Brown | 60479 | 6055145 | €0,23 |
| 2 | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole | Black | 60483 | 6265091 | €0,07 |
| 4 | Panel 1 x 4 x 3 [Side Supports / Hollow Studs] | Light Bluish Gray | 60581 | 6059033 | €0,30 |
| 1 | Window 1 x 2 x 2 Flat Front | Reddish Brown | 60592 | 6382102 | €0,18 |
| 2 | Window 1 x 2 x 2 Flat Front | Black | 60592 | 4521439 | €0,17 |
| 1 | Brick 1 x 10 | Light Bluish Gray | 6111 | 4211521 | €0,36 |
| 7 | Brick 1 x 12 | Light Bluish Gray | 6112 | 4211522 | €0,39 |
| 12 | Plate Round 1 x 1 with Solid Stud | Black | 6141 | 614126 | €0,05 |
| 36 | Plate Round 1 x 1 with Solid Stud | Trans-Red | 6141 | 6208450 | €0,04 |
| 8 | Plate Round 1 x 1 with Solid Stud | Light Bluish Gray | 6141 | 4211525 | €0,05 |
| 6 | Plate Round 1 x 1 with Solid Stud | Medium Azure | 6141 | 6102986 | €0,05 |
| 4 | Plate Round 1 x 1 with Solid Stud | Pearl Gold | 6141 | 4523159 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | Dark Purple | 6141 | 4566522 | €0,05 |
| 6 | Plate Round 1 x 1 with Solid Stud | Black | 6141 | 614123 | €0,05 |
| 4 | Plate Round 1 x 1 with Solid Stud | Tan | 6141 | 4161734 | €0,05 |
| 5 | Plate Round 1 x 1 with Solid Stud | Bright Green | 6141 | 6109808 | €0,05 |
| 1 | Plate Special 4 x 6 with Studs on 3 Edges | White | 6180 | 4163986 | €0,31 |
| 8 | Bar 1 x 4 x 3 [End Tabs] | Medium Nougat | 62113 | 6167599 | €0,24 |
| 1 | Bar 1 x 4 x 3 [End Tabs] | Black | 62113 | 4521681 | €0,24 |
| 8 | Brick 2 x 2 without Inside Ridges | Trans-Green | 6223 | 4143334 | — |
| 29 | Brick 2 x 2 without Inside Ridges | Trans-Dark Blue | 6223 | 6514091 | €0,22 |
| 9 | Brick 2 x 2 without Inside Ridges | Trans-Medium Blue | 6223 | 6109713 | — |
| 2 | Brick 2 x 2 with Dark Green Square Print | Trans-Bright Green | 6223pr0107 | 6198005 | — |
| 4 | Panel 1 x 1 x 1 Corner | Light Bluish Gray | 6231 | 4215513 | €0,07 |
| 27 | Brick Special 2 x 2 with Pin and Axle Hole | Light Bluish Gray | 6232 | 6347704 | €0,40 |
| 6 | Brick Special 2 x 2 with Pin and Axle Hole | Tan | 6232 | 6347700 | €0,40 |
| 2 | Brick Special 2 x 2 with Pin and Axle Hole | Reddish Brown | 6232 | 4243314 | — |
| 7 | Technic Pin Connector Round [Slotted] | Yellow | 62462 | 6173122 | €0,06 |
| 4 | Plate Special 1 x 2 with Clip Horizontal on End | Black | 63868 | 6336989 | €0,15 |
| 15 | Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 | Dark Brown | 64644 | 4538950 | €0,07 |
| 4 | Plate Special 4 x 4 with 2 x 2 Opening | Black | 64799 | 6058118 | €0,29 |
| 21 | Plate Special 4 x 4 with 2 x 2 Opening | Dark Bluish Gray | 64799 | 6186825 | €0,29 |
| 40 | Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots | Black | 6558 | 4514553 | — |
| 1 | Technic Axle 3 with Stud | Dark Tan | 6587 | 6031821 | €0,10 |
| 2 | Technic Gear 12 Tooth Bevel | Tan | 6589 | 4565452 | €0,10 |
| 1 | Tile 1 x 6 with Groove | Medium Nougat | 6636 | 6102995 | €0,13 |
| 46 | Tile 1 x 6 with Groove | Light Bluish Gray | 6636 | 4211549 | €0,13 |
| 2 | Tile 1 x 6 with Groove | Black | 6636 | 663626 | €0,13 |
| 2 | Tile 1 x 6 with Groove | Reddish Brown | 6636 | 4211204 | €0,13 |
| 4 | Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] | Black | 73983 | 6102782 | — |
| 3 | Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs | White | 75937 | 6009016 | €0,19 |
| 2 | Bracket 5 x 2 x 2 1/3 with Holes, Inside Stud Holder | Light Bluish Gray | 76766 | 6171067 | €0,41 |
| 1 | Plate Round 1 x 1 with Open Stud | Black | 85861 | 6168646 | €0,04 |
| 1 | Technic Brick 1 x 2 with Hole and Dual Beam Extensions | Dark Bluish Gray | 85943 | 6324639 | €0,59 |
| 1 | Slope 30? 1 x 2 x 2/3 | Black | 85984 | 4548180 | €0,07 |
| 4 | Slope 30? 1 x 2 x 2/3 | Orange | 85984 | 6068996 | €0,07 |
| 14 | Slope 30? 1 x 2 x 2/3 | Reddish Brown | 85984 | 6035291 | €0,07 |
| 1 | Tile 2 x 4 with Groove | Tan | 87079 | 6122047 | €0,16 |
| 18 | Tile 2 x 4 with Groove | Light Bluish Gray | 87079 | 4560183 | €0,16 |
| 5 | Tile 2 x 4 with Groove | Dark Bluish Gray | 87079 | 4560184 | €0,16 |
| 5 | Technic Axle 4 with Stop | Dark Bluish Gray | 87083 | 6083620 | €0,07 |
| 2 | Brick Special 1 x 1 with Stud on 1 Side | Light Bluish Gray | 87087 | 4558953 | €0,11 |
| 28 | Panel 1 x 2 x 3 [Side Supports / Hollow Studs] | Light Bluish Gray | 87544 | 4585429 | €0,17 |
| 1 | Panel 1 x 2 x 3 [Side Supports / Hollow Studs] | Trans-Clear | 87544 | 6507949 | €0,21 |
| 36 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | White | 87580 | 6126046 | €0,07 |
| 11 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Medium Nougat | 87580 | 6102994 | €0,10 |
| 3 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Black | 87580 | 4565323 | €0,10 |
| 36 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Light Bluish Gray | 87580 | 6389692 | €0,07 |
| 41 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Reddish Brown | 87580 | 4565394 | €0,10 |
| 94 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Light Bluish Gray | 87580 | 6126082 | €0,07 |
| 1 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Orange | 87580 | 6126063 | €0,07 |
| 1 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Yellow | 87580 | 6126050 | €0,07 |
| 4 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Tan | 87580 | 4565387 | €0,10 |
| 1 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Dark Bluish Gray | 87580 | 6126083 | €0,07 |
| 2 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Red | 87580 | 6126048 | €0,07 |
| 1 | Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] | Reddish Brown | 88072 | 6261359 | €0,18 |
| 6 | Brick Special 1 x 2 x 5 with Groove | Light Bluish Gray | 88393 | 4582153 | — |
| 1 | Window 1 x 2 x 2 Castle | Light Bluish Gray | 90195 | 4642934 | €0,15 |
| 4 | Panel 2 x 2 x 1 Corner | Light Bluish Gray | 91501 | 6181755 | €0,15 |
| 2 | Brick Round 2 x 2 [Grill] | Light Bluish Gray | 92947 | 4650645 | €0,12 |
| 1 | Animal Body Part, Dog Bone [Short] | White | 93160 | 6360202 | €0,10 |
| 1 | Technic Gear 16 Tooth Reinforced [New Style] | Light Bluish Gray | 94925 | 4640536 | €0,21 |
| 1 | Brick and Axle Separator v2.0 | Orange | 96874 | 4654448 | — |
| 2 | Tile Round 1 x 1 | Trans-Bright Green | 98138 | 6514198 | €0,05 |
| 1 | Tile Round 1 x 1 with Blue, Yellow and Black Minecraft Print | Pearl Gold | 98138pr0080 | 6192748 | — |
| 3 | Brick Special 1 x 2 with Masonry Brick Profile | Medium Nougat | 98283 | 4656783 | €0,13 |
| 1 | Food Steak on Bone with Dark Red Meat Print | White | 98372pr0002 | 6143319 | — |
| 2 | Large Figure Weapon, Barrel with 2 Pin Holes and 3 Axle Holes | Trans-Light Blue | 98585 | 4654432 | — |
| 2 | Technic Axle 4 with Centre Stop | Tan | 99008 | 4666999 | €0,10 |
| 6 | Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] | Light Bluish Gray | 99563 | 6134378 | €0,05 |
| 2 | Bracket 1 x 2 - 1 x 2 | Light Bluish Gray | 99781 | 4654582 | €0,10 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/21137-1-the-mountain-cave
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/21137-1-the-mountain-cave