# LEGO 21174-1 — The Modern Treehouse (2021)

Source: https://www.brickmissing.com/sets/21174-1-the-modern-treehouse
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

The LEGO Minecraft The Modern Treehouse (21174-1) offers a large, modular treehouse experience for players. This 909-piece set features a fully reconfigurable structure, allowing arrangement of four distinct rooms: a kitchen, library, study, and bedroom. The modular design enables detachment of rooms from the central tree, providing diverse play-and-display possibilities. Included characters are Alex, a Zombie, a Charged Creeper, a friendly panda, and an ocelot, ready for various scenarios. Authentic Minecraft accessories furnish the treehouse, from detailed furniture and bedding to essential tools and explosive TNT, enriching the creative role-play. The set's versatile layout supports continuous imaginative exploration within the Minecraft world.

## Set facts

- Set number: 21174-1
- Name: The Modern Treehouse
- Theme: Minecraft › Minifig-scale
- Released: 2021
- Pieces: 909
- Distinct part + colour lots: 197
- Build difficulty: advanced
- Repairability: 4.6% of this set's lots are hard to replace (9 of 197 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (197 lots, 909 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 | Tile Special 1 x 1 with Clip with Rounded Edges | White | 15712 | 6348055 | €0,12 |
| 2 | Bracket 3 x 2 x 1 1/3 with Pin Bottom | Light Bluish Gray | 18671 | 6093054 | — |
| 1 | Weapon Sword Blocky | Pearl Gold | 18787 | 6093621 | — |
| 1 | Tool Pickaxe Blocky, Double | Flat Silver | 18789 | 6104264 | — |
| 22 | Brick 2 x 2 Corner | Reddish Brown | 2357 | 4211200 | €0,16 |
| 1 | Animal Body Part, Cat Head 1 x 2 with Cube with Ears, Nose and Pixelated Face with Tan Eyes and Dark Bluish Grey Nose Print (Cat) | Light Bluish Gray | 24008pr0006 | 6347335 | — |
| 7 | Plate 2 x 2 Corner | Reddish Brown | 2420 | 4211257 | €0,07 |
| 1 | Plate 2 x 2 Corner | Dark Bluish Gray | 2420 | 4210635 | €0,07 |
| 12 | Plate 2 x 2 Corner | Light Bluish Gray | 2420 | 4157120 | €0,07 |
| 3 | Plate 2 x 12 | White | 2445 | 244501 | €0,36 |
| 1 | Plate 2 x 12 | Medium Nougat | 2445 | 6351301 | €0,36 |
| 3 | Plate 2 x 12 | Dark Orange | 2445 | 6351289 | — |
| 18 | Brick 1 x 2 x 5 with Hollow Studs | Reddish Brown | 2454b | 4277016 | €0,31 |
| 2 | Plant, Flower, Plate Round 1 x 1 with 5 Petals | Light Bluish Gray | 24866 | 6135287 | €0,06 |
| 1 | Food Egg with 1.5mm Hole [Plain] | White | 24946 | 6143595 | €0,10 |
| 4 | Plate 4 x 4 Corner | Dark Tan | 2639 | 6151537 | €0,27 |
| 2 | Minifig Neckwear Bracket [One Stud] - Reinforced | White | 28974 | 6277181 | €0,13 |
| 10 | Brick 2 x 4 | Reddish Brown | 3001 | 4211201 | €0,22 |
| 28 | Brick 2 x 4 | Light Bluish Gray | 3001 | 4106356 | €0,22 |
| 32 | Brick 2 x 2 | Dark Orange | 3003 | 6212081 | €0,13 |
| 31 | Brick 2 x 2 | White | 3003 | 300301 | €0,13 |
| 10 | Brick 2 x 2 | Yellow | 3003 | 300324 | €0,13 |
| 11 | Brick 2 x 2 | Reddish Brown | 3003 | 4211210 | €0,13 |
| 14 | Brick 1 x 2 | White | 3004 | 300401 | €0,11 |
| 9 | Brick 1 x 2 | Dark Orange | 3004 | 4579659 | €0,11 |
| 2 | Brick 1 x 2 with Reddish Brown and Dark Brown Lines Print | Medium Nougat | 3004pr0014 | 6097024 | — |
| 1 | Brick 1 x 2 with Pixelated Lit Forge Print | Dark Bluish Gray | 3004pr0020 | 6216862 | — |
| 1 | Brick 1 x 2 with Pixelated Forge Print | Dark Bluish Gray | 3004pr0021 | 6216860 | — |
| 2 | Brick 1 x 2 with Black 'TNT' Pixelated Print | White | 3004pr0036 | 6097028 | — |
| 4 | Brick 1 x 1 | Lime | 3005 | 4220634 | €0,07 |
| 2 | Brick 1 x 1 | Black | 3005 | 300523 | €0,07 |
| 2 | Brick 2 x 8 | Reddish Brown | 3007 | 6096701 | €0,35 |
| 12 | Brick 2 x 8 | Dark Orange | 3007 | 6351290 | — |
| 13 | Brick 2 x 8 | White | 3007 | 6033776 | €0,35 |
| 2 | Brick 1 x 6 | Dark Orange | 3009 | 6000743 | €0,25 |
| 2 | Brick 1 x 6 | White | 3009 | 300901 | €0,25 |
| 3 | Brick 1 x 4 | Dark Orange | 3010 | 6223040 | €0,16 |
| 8 | Brick 1 x 4 | Reddish Brown | 3010 | 4211225 | €0,16 |
| 6 | Brick 1 x 4 | White | 3010 | 301001 | €0,16 |
| 2 | Plate 2 x 4 | Bright Pink | 3020 | 6204535 | €0,15 |
| 2 | Plate 2 x 4 | Bright Light Orange | 3020 | 6097511 | €0,15 |
| 2 | Plate 2 x 4 | Tan | 3020 | 4114309 | €0,15 |
| 4 | Plate 2 x 4 | Medium Nougat | 3020 | 6093494 | €0,15 |
| 1 | Plate 2 x 4 | White | 3020 | 302001 | €0,15 |
| 2 | Plate 2 x 4 | Dark Bluish Gray | 3020 | 4211065 | €0,15 |
| 1 | Plate 2 x 4 | Black | 3020 | 302023 | €0,15 |
| 3 | Plate 2 x 4 | Dark Orange | 3020 | 4535928 | €0,15 |
| 12 | Plate 2 x 4 | Reddish Brown | 3020 | 4211186 | €0,15 |
| 22 | Plate 2 x 4 | Light Bluish Gray | 3020 | 302028 | €0,15 |
| 2 | Plate 2 x 2 | Dark Orange | 3022 | 4615606 | €0,10 |
| 2 | Plate 2 x 2 | Medium Nougat | 3022 | 6056383 | €0,10 |
| 2 | Plate 2 x 2 | Dark Bluish Gray | 3022 | 4211094 | €0,10 |
| 1 | Plate 2 x 2 | Red | 3022 | 302221 | €0,10 |
| 4 | Plate 2 x 2 | White | 3022 | 302201 | €0,10 |
| 4 | Plate 2 x 2 | Reddish Brown | 3022 | 4216695 | €0,10 |
| 43 | Plate 2 x 2 | Light Bluish Gray | 3022 | 302228 | €0,10 |
| 4 | Plate 1 x 2 | Trans-Dark Blue | 3023 | 6514004 | €0,10 |
| 4 | Plate 1 x 2 | Lime | 3023 | 4164037 | €0,08 |
| 15 | Plate 1 x 2 | Light Bluish Gray | 3023 | 302328 | €0,08 |
| 1 | Plate 1 x 2 | Bright Green | 3023 | 6343326 | €0,08 |
| 1 | Plate 1 x 2 | White | 3023 | 302301 | €0,08 |
| 1 | Plate 1 x 2 | Dark Bluish Gray | 3023 | 4211063 | €0,08 |
| 4 | Brick Special 1 x 2 with Vertical Clip [Open O Clip] | Dark Bluish Gray | 30237b | 6335306 | €0,23 |
| 4 | Plate 1 x 1 | Trans-Orange | 3024 | 6513961 | €0,06 |
| 8 | Plate 1 x 1 | Dark Brown | 3024 | 6194729 | €0,06 |
| 4 | Plate 1 x 1 | Lime | 3024 | 4621557 | €0,06 |
| 4 | Plate 1 x 1 | Trans-Yellow | 3024 | 6513966 | €0,06 |
| 4 | Plate 1 x 1 | Red | 3024 | 302421 | €0,06 |
| 2 | Plate 1 x 1 | Light Bluish Gray | 3024 | 4211399 | €0,06 |
| 1 | Plate 1 x 1 | Reddish Brown | 3024 | 4221744 | €0,06 |
| 2 | Plate 1 x 1 | White | 3024 | 302401 | €0,06 |
| 2 | Plate 1 x 1 | Black | 3024 | 302426 | €0,06 |
| 4 | Plate 1 x 1 | Light Bluish Gray | 3024 | 302428 | €0,06 |
| 2 | Plate 1 x 1 | Bright Pink | 3024 | 6031883 | €0,06 |
| 1 | Plate 1 x 1 | Dark Tan | 3024 | 4549436 | €0,06 |
| 1 | Plate 6 x 12 | Light Bluish Gray | 3028 | 6177783 | €1,63 |
| 1 | Plate 4 x 10 | White | 3030 | 4503008 | €0,56 |
| 1 | Plate 4 x 4 | Dark Bluish Gray | 3031 | 4243831 | €0,21 |
| 3 | Plate 4 x 4 | Reddish Brown | 3031 | 4243838 | €0,21 |
| 1 | Plate 4 x 4 | Bright Green | 3031 | 4617799 | €0,21 |
| 7 | Plate 4 x 6 | Light Bluish Gray | 3032 | 4116671 | €0,41 |
| 1 | Plate 4 x 6 | White | 3032 | 303201 | €0,41 |
| 2 | Plate 2 x 8 | Reddish Brown | 3034 | 4211211 | €0,29 |
| 2 | Plate 2 x 8 | Light Bluish Gray | 3034 | 303428 | €0,29 |
| 2 | Plate 6 x 8 | Black | 3036 | 303623 | €0,71 |
| 1 | Slope 45? 2 x 2 | Trans-Dark Blue | 3039 | 6244887 | €0,17 |
| 12 | Tile 2 x 2 with Groove | Dark Tan | 3068b | 4507045 | €0,07 |
| 1 | Tile 2 x 2 with Groove | Magenta | 3068b | 6249234 | €0,07 |
| 9 | Tile 2 x 2 with Groove | Dark Orange | 3068b | 6186423 | €0,07 |
| 14 | Tile 2 x 2 with Groove | White | 3068b | 306801 | €0,07 |
| 4 | Tile 2 x 2 with Groove | Reddish Brown | 3068b | 4271949 | €0,07 |
| 3 | Tile 2 x 2 with Groove | Bright Green | 3068b | 6294513 | €0,07 |
| 1 | Tile 2 x 2 with Dark Brown Minecraft Grid Print (Crafting Table) | Medium Nougat | 3068bpr0236 | 6097003 | — |
| 1 | Tile 1 x 2 with Groove | Reddish Brown | 3069b | 4211151 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Dark Orange | 3069b | 4614158 | €0,07 |
| 4 | Tile 1 x 2 with Groove | Lime | 3069b | 4500125 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Magenta | 3069b | 4611415 | €0,07 |
| 2 | Tile 1 x 2 with Groove | White | 3069b | 306901 | €0,07 |
| 1 | Tile 1 x 2 with Groove | Light Bluish Gray | 3069b | 4211414 | €0,07 |
| 1 | Tile 1 x 2 with Groove | Dark Bluish Gray | 3069b | 4211052 | €0,07 |
| 1 | Tile 1 x 1 with Groove | Light Bluish Gray | 3070b | 4211415 | €0,05 |
| 6 | Tile 1 x 1 with Groove | White | 3070b | 307001 | €0,05 |
| 9 | Tile 1 x 1 with Groove | Dark Green | 3070b | 6055171 | €0,05 |
| 2 | Technic Brick 1 x 14 [13 Pin Holes] | Dark Bluish Gray | 32018 | 4211137 | €0,56 |
| 2 | Technic Brick 1 x 14 [13 Pin Holes] | Black | 32018 | 4107558 | €0,56 |
| 4 | Plate Special 1 x 2 with Door Rail | Reddish Brown | 32028 | 4645103 | €0,05 |
| 10 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | Dark Brown | 32064a | 6272144 | €0,17 |
| 2 | Technic Beam 1 x 15 Thick | Reddish Brown | 32278 | 6502375 | €0,42 |
| 2 | Technic Beam 1 x 15 Thick | Light Bluish Gray | 32278 | 4542577 | €0,42 |
| 3 | Technic Brick 4 x 4 with 2 x 2 Opening | Light Bluish Gray | 32324 | 4211640 | €0,62 |
| 14 | Brick 1 x 2 x 2 with Inside Stud Holder | Reddish Brown | 3245c | 6172808 | €0,13 |
| 2 | Technic Beam 1 x 11 Thick | Yellow | 32525 | 6028107 | €0,33 |
| 5 | Technic Brick 6 x 8 with 4 x 6 Opening | Black | 32532 | 6448394 | €1,16 |
| 2 | Plant, Carrot Top | Bright Light Orange | 33183 | 6096682 | €0,07 |
| 2 | Plate 1 x 8 | Reddish Brown | 3460 | 4216945 | €0,18 |
| 2 | Animal Body Part, Bird, Chicken 1 x 1 with Cube Head with Face Print | White | 35750pr0001 | 6217227 | — |
| 4 | Brick 1 x 3 | Lime | 3622 | 4166093 | €0,15 |
| 1 | Plate 1 x 3 | Light Bluish Gray | 3623 | 4211429 | €0,07 |
| 2 | Plate 1 x 6 | White | 3666 | 366601 | €0,17 |
| 2 | Plate 1 x 6 | Dark Orange | 3666 | 6253418 | €0,17 |
| 8 | Technic Brick 1 x 4 [3 Pin Holes] | Light Bluish Gray | 3701 | 4211441 | €0,17 |
| 2 | Technic Brick 1 x 16 [15 Pin Holes] | White | 3703 | 4508661 | €0,82 |
| 5 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 1 | Technic Axle 12 | Black | 3708 | 370826 | €0,27 |
| 2 | Plate 1 x 4 | White | 3710 | 371001 | €0,12 |
| 2 | Plate 1 x 4 | Reddish Brown | 3710 | 4211190 | €0,12 |
| 2 | Plate 1 x 4 | Light Bluish Gray | 3710 | 371028 | €0,12 |
| 6 | Plate 1 x 4 | Dark Orange | 3710 | 6074892 | €0,12 |
| 2 | Plate 2 x 6 | White | 3795 | 379501 | €0,19 |
| 4 | Plate 2 x 6 | Medium Nougat | 3795 | 6313600 | €0,19 |
| 2 | Plate 2 x 6 | Reddish Brown | 3795 | 4211247 | €0,19 |
| 1 | Plate 2 x 6 | Dark Orange | 3795 | 6219673 | €0,19 |
| 3 | Plate 2 x 10 | Dark Orange | 3832 | 6351327 | €0,29 |
| 2 | Plate 2 x 10 | Light Bluish Gray | 3832 | 383228 | €0,29 |
| 1 | Technic Brick 1 x 6 [5 Pin Holes] | Red | 3894 | 389421 | €0,29 |
| 2 | Technic Brick 1 x 12 [11 Pin Holes] | Dark Bluish Gray | 3895 | 4210963 | €0,54 |
| 2 | Technic Brick 1 x 12 [11 Pin Holes] | Red | 3895 | 389521 | €0,54 |
| 2 | Technic Brick 1 x 12 [11 Pin Holes] | White | 3895 | 6332157 | €0,54 |
| 5 | Plate 6 x 6 | Bright Green | 3958 | 4184006 | — |
| 14 | Plate 6 x 6 | Medium Nougat | 3958 | 6351288 | €0,53 |
| 11 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Black | 4032a | 403226 | €0,06 |
| 2 | Technic Beam 1 x 9 Thick | Light Bluish Gray | 40490 | 6036624 | — |
| 2 | Tile 1 x 8 with Groove | White | 4162 | 416201 | €0,15 |
| 2 | Tile 1 x 8 with Groove | Dark Orange | 4162 | 6351291 | €0,15 |
| 3 | Plate 2 x 16 | White | 4282 | 4119227 | €0,51 |
| 2 | Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot | Black | 42924 | 6299413 | €0,10 |
| 1 | Technic Axle 3 | Yellow | 4519 | 6130007 | €0,05 |
| 2 | Brick Special 1 x 1 Studs on 4 Sides | White | 4733 | 4111971 | €0,22 |
| 1 | Brick Special 1 x 1 Studs on 4 Sides | Lime | 4733 | 6174006 | €0,22 |
| 1 | Treasure Chest Bottom with Rear Slots, No Groove | Medium Nougat | 4738c | 6102984 | €0,52 |
| 1 | Treasure Chest Lid [Thick Hinge] | Medium Nougat | 4739a | 6254218 | €0,46 |
| 3 | Plate Special 1 x 2 [Side Handle Closed Ends] | Light Bluish Gray | 48336 | 4521931 | €0,07 |
| 4 | Panel 1 x 6 x 5 | Trans-Brown | 59349 | 6245429 | — |
| 3 | Plate Special 1 x 2 with Clips Horizontal [Open O Clips] | Light Bluish Gray | 60470b | 6347288 | €0,16 |
| 1 | Plate Special 1 x 2 with Handle on End [Closed Ends] | Light Bluish Gray | 60478 | 4515369 | €0,06 |
| 6 | Brick 1 x 10 | Light Bluish Gray | 6111 | 6249998 | €0,36 |
| 58 | Technic Pin with Friction Ridges Lengthwise with No Center Slots | Black | 61332 | 6279875 | €0,06 |
| 2 | Plate Round 1 x 1 with Solid Stud | Yellow | 6141 | 614124 | €0,05 |
| 1 | Plate Round 1 x 1 with Solid Stud | Bright Green | 6141 | 6109808 | €0,05 |
| 1 | Plate Round 1 x 1 with Solid Stud | Medium Azure | 6141 | 6102986 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | White | 6141 | 614101 | €0,05 |
| 4 | Bar 1 x 4 x 3 [End Tabs] | Medium Nougat | 62113 | 6167599 | €0,24 |
| 1 | Brick 2 x 2 without Inside Ridges | Trans-Green | 6223 | 4143334 | — |
| 3 | Brick 2 x 2 without Inside Ridges | Trans-Dark Blue | 6223 | 6514091 | €0,22 |
| 6 | Brick Special 2 x 2 with Pin and Axle Hole | Dark Bluish Gray | 6232 | 4211046 | — |
| 1 | Tile 1 x 3 | Dark Bluish Gray | 63864 | 4568734 | €0,11 |
| 9 | Plate Special 1 x 2 with Clip Horizontal on End | Light Bluish Gray | 63868 | 6319336 | €0,15 |
| 4 | Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 | Dark Brown | 64644 | 4538950 | €0,07 |
| 1 | Animal, Fish [Hollow Stud Mouth] | Bright Light Blue | 64648 | 6195347 | €0,12 |
| 4 | Plate Special 4 x 4 with 2 x 2 Opening | Reddish Brown | 64799 | 6070442 | €0,29 |
| 2 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] | Red | 65304 | 6347789 | €0,13 |
| 2 | Plate Special 2 x 4 with Groove and Two Center Studs (Jumper) | Dark Orange | 65509 | 6288614 | €0,18 |
| 16 | Tile 2 x 4 with Groove | White | 87079 | 4560178 | €0,16 |
| 10 | Tile 2 x 4 with Groove | Dark Orange | 87079 | 6058089 | €0,16 |
| 1 | Tile 2 x 4 with Groove | Black | 87079 | 4560180 | €0,16 |
| 12 | Tile 2 x 4 with Groove | Light Bluish Gray | 87079 | 4566179 | €0,16 |
| 1 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Red | 87580 | 6126048 | €0,07 |
| 6 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Dark Orange | 87580 | 6315197 | €0,07 |
| 6 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | White | 87580 | 6126046 | €0,07 |
| 2 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Medium Nougat | 87580 | 6102994 | €0,10 |
| 1 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Dark Bluish Gray | 87580 | 6126083 | €0,07 |
| 1 | Brick and Axle Separator v2.0 | Orange | 96874 | 4654448 | — |
| 1 | Tile Round 1 x 1 with Brown and Tan Squares Print | Trans-Clear | 98138pr0078 | 6215145 | — |
| 1 | Bracket 1 x 2 - 2 x 2 Inverted | White | 99207 | 6097637 | €0,10 |
| 2 | Bracket 1 x 2 - 1 x 2 Inverted | White | 99780 | 6070698 | €0,10 |
| 1 | Creature Torso Blocky with Cube Feet (Minecraft Creeper) | Light Bluish Gray | 19734 | 6101877 | — |
| 1 | Minifig Head Special, Cube with Charged Creeper Face Print | Trans-Light Blue | 19729pr2282 | 6192810 | — |
| 4 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Trans-Light Blue | 54200 | 6245277 | €0,08 |
| 1 | Hips and Yellow Legs | Yellow | 970c01 | 4124239 | — |
| 1 | Minifig Head Special, Cube with Pixelated Nougat Face, Black Eyes Print | Yellow | 19729pr0043 | 6347330 | — |
| 1 | Torso Pixelated White Fur, Black Leopard Spots print, Yellow Arms and Hands | Yellow | 973c01h01pr5661 | 6351671 | — |
| 1 | Hips and Black Legs | Black | 970c03 | 9339 | €0,63 |
| 1 | Minifig Head Special, Cube with Pixelated Reddish Brown Face, Green Eyes Print | White | 19729pr0042 | 6347332 | — |
| 1 | Torso Pixelated Black and Grey Squares print, Black Arms and Hands | White | 973c03h03pr5662 | 6351863 | — |
| 1 | Torso Pixelated Green Neck Print, Dark Azure Arms, Green Hands | Dark Azure | 973c04h31pr2820 | 6104065 | — |
| 1 | Hips and Dark Purple Legs | Dark Purple | 970c09 | 4586410 | €0,63 |
| 1 | Minifig Head Special, Cube with Zombie Face Print | Light Bluish Gray | 19729pr0003 | 6103090 | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/21174-1-the-modern-treehouse
- 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/21174-1-the-modern-treehouse