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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.

Dog and Cat Friendship Day

Checking

40401 Dog and Cat Friendship Day

73 pieces in 30 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

Bricks Curved 19 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×8
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Dark Bluish Gray Part 6091 Element 6411327 or 4210797 ×4
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Reddish Brown Part 6091 Element 6335567 or 6035547 ×6
  • Brick Curved 2 x 3 White Part 6215 Element 621501 ×1

Plates 15 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 1 spare in the box ×7
  • Plate 2 x 2 Black Part 3022 Element 302226 ×1
  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×3
  • Plate 2 x 2 Reddish Brown Part 3022 Element 4613975 or 4216695 ×2
  • Plate 2 x 4 Reddish Brown Part 3020 Element 4211186 ×2

Plates Special 15 pieces

  • Bracket 1 x 2 - 2 x 2 Black Part 44728 Element 6117973 or 6048855 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Black Part 15573 Element 6092585 ×3
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Black Part 99206 Element 6052126 ×1
  • Plate Special 2 x 2 with Only 2 studs Red Part 33909 Element 6219819 ×1
  • Bracket 1 x 2 - 1 x 2 Inverted White Part 99780 Element 6548278 or 6070698 ×1
  • Plate Special 1 x 1 Rounded with Handle White Part 26047 Element 6564914 or 6174937 ×4
  • Plate Special 1 x 1 with Tooth White Part 49668 Element 6601935 or 4224792 ×2
  • Plate Special 1 x 2 with Clip Horizontal on Side White Part 11476 Element 6313115 or 6070712 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] White Part 60478 Element 6552131 or 4515364 ×1

Bricks Sloped 8 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×2
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Black Part 15672 Element 6069000 or 4653087 ×4
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Reddish Brown Part 15672 Element 6075287 ×2

Bricks Special 5 pieces

  • Brick Special 1 x 2 Palisade [aka Log] Black Part 30136 Element 4644456 or 4519980 ×1
  • Brick Special 1 x 1 with Studs on 2 Adjacent Sides White Part 26604 Element 6224811 ×4

Plates Round Curved and Dishes 4 pieces

  • Plate Round 1 x 1 with Solid Stud Bright Pink Part 6141 Element 4517996 1 spare in the box ×3
  • Plate Angled 3 x 3 with Heart Shape Dark Pink Part 39613 Element 6254513 ×1

Tiles Round and Curved 4 pieces

  • Tile Round 1 x 1 with White Dot/Circle/Eye Print Black Part 98138pr0107 Element 6284072 or 6253831 1 spare in the box ×2
  • Tile Round 1 x 1 with Offset Black Eye Print White Part 98138pr0008 Element 6284599 or 6029156 1 spare in the box ×2

Animal / Creature Body Parts 1 piece

  • Animal Body Part, Dog Bone [Short] White Part 93160 Element 6360202 or 4600294 1 spare in the box ×1

Bricks Round and Cones 1 piece

  • Cone 1.17 x 1.17 x 2/3 (Fez) Black Part 85975 Element 6203937 or 4619597 ×1

Minifig Accessories 1 piece

  • Equipment Dish / Plate / Bowl 3 x 3 [Plain] Yellow Part 6256 Element 6173824 or 4228259 ×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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