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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.

Literacy Day Unicorn

Checking

40403 Literacy Day Unicorn

54 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 10 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Pink Part 11477 Element 6132918 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Light Aqua Part 11477 Element 6141593 ×1
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top White Part 6091 Element 6285777 or 609101 ×4
  • Brick Curved 2 x 1 No Studs [1/2 Bow] White Part 11477 Element 6552145 or 6548276 ×4

Plates 10 pieces

  • Plate 1 x 2 Bright Pink Part 3023 Element 4654128 or 4245303 ×2
  • Plate 2 x 3 Dark Turquoise Part 3021 Element 6249417 or 4121834 ×1
  • Plate 4 x 4 Medium Azure Part 3031 Element 6141594 ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×1
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×2
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×2
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×1

Plates Round Curved and Dishes 8 pieces

  • Plate Round 1 x 1 with Open Stud Dark Pink Part 85861 Element 6230582 1 spare in the box ×3
  • Plate Round 1 x 1 with Solid Stud Dark Purple Part 6141 Element 4566522 1 spare in the box ×4
  • Plate Round 1 x 1 Swirled Top Light Aqua Part 15470 Element 6249118 1 spare in the box ×1

Plates Special 6 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Bright Light Orange Part 15573 Element 6122504 ×2
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Dark Azure Part 99206 Element 6218014 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Magenta Part 15573 Element 6101073 ×2
  • Bracket 1 x 2 - 2 x 2 Inverted White Part 99207 Element 6552151 or 6548279 ×1

Bricks Sloped 5 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Pink Part 54200 Element 6127601 or 6057894 1 spare in the box ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Turquoise Part 85984 Element 6228967 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Medium Blue Part 54200 Element 4565363 1 spare in the box ×1
  • Brick Sloped 45° 2 x 2 White Part 3039 Element 6552103 or 303901 ×1

Bricks 4 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×4

Bricks Special 4 pieces

  • Brick Special 1 x 1 with Stud on 1 Side Light Aqua Part 87087 Element 4619815 ×4

Animal / Creature Body Parts 2 pieces

  • Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Short Tip) Dark Pink Part 43892 Element 6197446 ×1
  • Creature Body Part, Horn (Unicorn) Pearl Gold Part 89522 Element 6214208 or 4584762 1 spare in the box ×1

Minifig Accessories 2 pieces

  • Book Binding with Two Studs Reddish Brown Part 24324 Element 6167879 or 6134672 ×1
  • Book Cover [Plain] Reddish Brown Part 24093 Element 6174229 or 6134673 ×1

Tiles Round and Curved 2 pieces

  • Tile Round 1 x 1 with Black Eye Closed with Eyelashes Print White Part 98138pr0026 Element 6284604 or 6097402 1 spare in the box ×2

Tiles 1 piece

  • Tile 1 x 2 with Groove Tan Part 3069b Element 4114026 ×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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