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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.

Mythical Creatures

Checking

31073 Mythical Creatures

223 pieces in 66 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

Dark Red 64 pieces

  • Brick Arch 1 x 3 x 2 Curved Top Dark Red Part 6005 Element 6028713 or 4629912 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Dark Red Part 6091 Element 6411330 or 4539082 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Red Part 11477 Element 6173168 ×3
  • Brick Curved 2 x 2 x 2/3 Dark Red Part 15068 Element 6107758 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Red Part 85984 Element 6083977 ×4
  • Mudguard 2 x 4 with Molded Headlights Dark Red Part 44674 Element 6212204 or 4660447 ×2
  • Plate 1 x 1 Dark Red Part 3024 Element 4539114 or 4183901 1 spare in the box ×11
  • Plate 1 x 2 Dark Red Part 3023 Element 4539097 or 4162582 ×4
  • Plate 1 x 3 Dark Red Part 3623 Element 4539076 or 4164223 ×4
  • Plate 2 x 2 Dark Red Part 3022 Element 4585479 or 4163160 ×2
  • Plate 2 x 4 Dark Red Part 3020 Element 4539071 or 4528320 ×5
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Red Part 15573 Element 6092597 ×5
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Dark Red Part 92593 Element 6020075 ×2
  • Plate Special 2 x 3 with Rocks Dark Red Part 27261 Element 6329652 or 6212205 ×2
  • Wedge Plate 2 x 2 Cut Corner Dark Red Part 26601 Element 6210310 ×4
  • Wedge Plate 3 x 3 Cut Corner Dark Red Part 2450 Element 4539064 or 4504285 ×6
  • Wedge Plate 3 x 6 Cut Corners Dark Red Part 2419 Element 6136608 or 6028118 ×2
  • Wedge Plate 4 x 2 Left Dark Red Part 41770 Element 6008593 or 4541367 ×1
  • Wedge Plate 4 x 2 Right Dark Red Part 41769 Element 6008595 or 4541364 ×1

Black 43 pieces

  • Arm Mechanical with Clip [Thick Support] Black Part 98313 Element 6276867 or 6006739 ×2
  • Bar Holder with Hole and Bar Handle Black Part 23443 Element 6321194 or 6143318 ×1
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners] Black Part 10201 Element 6089577 ×2
  • Bracket 1 x 2 - 2 x 2 Inverted Black Part 99207 Element 6000650 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×4
  • Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End Black Part 47458 Element 6375706 or 4218581 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×8
  • Plate 2 x 2 Black Part 3022 Element 302226 ×4
  • Plate 2 x 3 Black Part 3021 Element 302126 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×4
  • Plate Special 1 x 1 Rounded with Handle Black Part 26047 Element 6157554 ×2
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Black Part 4081b Element 6281993 or 4632571 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Black Part 48336 Element 4225201 ×3
  • Plate Special 1 x 2 with Clip Horizontal on End Black Part 63868 Element 6336989 or 4535739 ×2
  • Plate Special 3 x 2 with Rounded End, Hole Black Part 3176 Element 317676 or 317626 ×1
  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Black Part 92013 Element 4619763 ×2

Yellow 33 pieces

  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Yellow Part 3660 Element 366024 ×2
  • Brick Wedged, Curved Inverted 6 x 4 Yellow Part 43713 Element 6212206 or 6078439 ×1
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth Yellow Part 44302a Element 4183981 ×4
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×3
  • Plate 1 x 3 Yellow Part 3623 Element 362324 ×7
  • Plate 2 x 2 Corner Yellow Part 2420 Element 242074 or 242024 ×2
  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×2
  • Plate 2 x 6 Yellow Part 3795 Element 379524 ×1
  • Plate Round 1 x 1 with Open Stud Yellow Part 85861 Element 6168644 or 6050850 1 spare in the box ×8
  • Tile Special 1 x 1 with Clip with Rounded Edges Yellow Part 15712 Element 6348056 or 6116726 ×2
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Yellow Part 43719 Element 6609418 or 6275404 ×1

Dark Bluish Gray 24 pieces

  • Arm Skeleton [Bent / 2 Clips] Dark Bluish Gray Part 93609 Element 6318697 or 6167900 1 spare in the box ×1
  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Dark Bluish Gray Part 44301b Element 6266225 ×2
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Dark Bluish Gray Part 60897 Element 6489464 or 6296892 ×8
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×10
  • Technic Brick Special 2 x 2 with 10.2mm Balls with Holes and Axle Hole Dark Bluish Gray Part 17114 Element 6065816 ×1

White 24 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium White Part 87747 Element 6270092 or 4613941 1 spare in the box ×2
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small White Part 53451 Element 6270106 or 4568387 1 spare in the box ×18
  • Plate Special 1 x 2 with Three Teeth [Tri-Tooth] White Part 15208 Element 6046381 ×4

Light Bluish Gray 19 pieces

  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×3
  • Brick Special 1 x 1 with Handle Light Bluish Gray Part 2921 Element 6170569 or 4225532 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger On Top Light Bluish Gray Part 30383 Element 6265694 or 4219913 ×2
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×5
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×5
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Light Bluish Gray Part 60470b Element 6337268 or 4556157 ×2

Bright Light Orange 11 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Bright Light Orange Part 54200 Element 6023173 1 spare in the box ×11

Trans-Bright Green 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Bright Green Part 6141 Element 6514053 or 6240206 1 spare in the box ×2
  • Weapon Pike / Spear Tip with Bar Trans-Bright Green Part 27257 Element 6202773 1 spare in the box ×2

Trans-Orange 1 piece

  • Wave / Flame Rounded with Base Rim Trans-Orange Part 6126b Element 6167741 or 4261397 ×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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