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LEGO Missing Piece Checker

Rule out the usual hiding places first. If the piece really is gone, check the set piece by piece and leave with the element ID LEGO asks for, or a link to buy the part.

Minecraft Skeleton BigFig with Magma Cube

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21150 Minecraft Skeleton BigFig with Magma Cube

142 pieces in 56 part and color combinations.

Before you call it missing

Builders who report a missing piece often find it in one of these places. Tick each one off as you look.

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Piece checklist

Plates 48 pieces

  • Plate 4 x 4 Blue Part 3031 Element 4243815 or 303123 ×1
  • Plate 1 x 1 Dark Brown Part 3024 Element 6194729 or 6013830 ×2
  • Plate 1 x 2 Dark Brown Part 3023 Element 6058221 or 6013831 ×9
  • Plate 2 x 4 Dark Red Part 3020 Element 4539071 or 4528320 ×5
  • Plate 6 x 6 Dark Red Part 3958 Element 6471682 or 6173945 ×1
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 ×10
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×1
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×4
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×7
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×2
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×4
  • Plate 3 x 3 White Part 11212 Element 6552153 or 6104805 ×1

Tiles 35 pieces

  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×2
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tile 1 x 2 with Groove Dark Red Part 3069b Element 4539090 or 4529548 ×2
  • Tile 1 x 4 with Red, Orange and Yellow Squares Minecraft Magma Cube Eyes Print Dark Red Part 2431pr0083 Element 6588077 or 6337238 ×1
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×2
  • Tile 2 x 3 Light Bluish Gray Part 26603 Element 6171894 ×3
  • Tile 2 x 4 with Groove Light Bluish Gray Part 87079 Element 4560183 ×6
  • Tile 1 x 2 with Groove Medium Nougat Part 3069b Element 6021997 ×8
  • Tile 1 x 1 with Groove White Part 3070b Element 6550138 or 307001 ×1
  • Tile 1 x 3 White Part 63864 Element 6552134 or 6548270 ×1
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×3
  • Tile 1 x 6 with Groove White Part 6636 Element 6548296 or 663601 ×3
  • Tile 2 x 4 with Groove White Part 87079 Element 6548271 or 4560178 ×1
  • Tile 2 x 4 with Pixelated Face (Skeleton) Print White Part 87079pr0176 Element 6253168 ×1

Plates Special 23 pieces

  • Bracket 2 x 2 with 1 x 2 Vertical Studs Black Part 41682 Element 6250020 ×1
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×2
  • Plate Special 1 x 2 with End Towball Dark Bluish Gray Part 22890 Element 6370802 or 6338168 ×1
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Dark Red Part 92593 Element 6020075 ×1
  • Bracket 1 x 2 - 2 x 2 Light Bluish Gray Part 44728 Element 6117967 or 6009014 ×4
  • Bracket 1 x 2 - 2 x 4 Light Bluish Gray Part 93274 Element 6118827 or 4613165 ×2
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×3
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Light Bluish Gray Part 34103 Element 6211969 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Lime Part 15573 Element 6092592 ×3
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners] Reddish Brown Part 10201 Element 6123759 or 6089578 ×1
  • Bracket 2 x 2 with 1 x 2 Vertical Studs White Part 41682 Element 6615545 or 6250019 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) White Part 15573 Element 6550152 or 6051511 ×2

Bricks 13 pieces

  • Brick 1 x 2 Black Part 3004 Element 300426 ×3
  • Brick 1 x 2 Dark Red Part 3004 Element 4539102 or 4163454 ×5
  • Brick 1 x 2 Lime Part 3004 Element 4613965 or 4164022 ×1
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×2
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×2

Hinges, Arms and Turntables 8 pieces

  • Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Light Bluish Gray Part 44301b Element 6266231 ×4
  • Hinge Plate 1 x 2 Locking with 2 Fingers on Side, 9 Teeth White Part 60471 Element 6615546 or 4515337 ×4

Technic Bricks 4 pieces

  • Technic Brick 1 x 2 [1 Pin Hole] Tan Part 3700 Element 4205107 or 370005 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Yellow Part 32064a Element 6206240 or 4233484 ×2

Projectiles / Launchers 3 pieces

  • Launcher, Brick Special 1 x 4 Spring Shooter with Light Bluish Gray Top Dark Bluish Gray Part 15400 Element 6324200 or 6048898 ×1
  • Projectile, Spring Shooter Ammunition 8L Bar Reddish Brown Part 15303 Element 6276067 or 6250082 ×2

Panels 2 pieces

  • Panel 1 x 1 x 1 Corner White Part 6231 Element 6619293 or 623101 ×2

Technic Axles 2 pieces

  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×1
  • Technic Axle 3 Yellow Part 4519 Element 6130007 ×1

Tiles Special 2 pieces

  • Tile Special 1 x 3 Inverted with Center Hole White Part 35459 Element 6548289 or 6223491 ×2

Bricks Special 1 piece

  • Brick Special 1 x 2 with 2 Studs on 1 Side White Part 11211 Element 6550150 or 6058177 ×1

Large Buildable Figures 1 piece

  • Large Figure Weapon Bow, Pixelated Dark Brown Part 41657 Element 6249883 ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

Ask LEGO

LEGO takes requests for pieces missing from a new set through its customer service site. The form asks for the set number and each piece's element ID, the number printed beside the piece in the parts list at the back of the instructions. This checker lists both.

Request a replacement from LEGO

Buy the piece

Mark a piece missing and your list links it to an eBay search for that part, which also covers pieces from older or second-hand sets.

Keep a record

Copy or download your missing list (the CSV opens in any spreadsheet), or print the whole checklist and tick pieces off on paper. Your marks stay in this browser, so you can check a big set over several sittings.

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