Free tool

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.

Web Goal Challenge

Checking

WEBGOALCHALLENGE Web Goal Challenge

52 pieces in 23 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 Special 11 pieces

  • Brick Special 1 x 2 with Masonry Brick Profile Dark Tan Part 98283 Element 4646577 ×8
  • Brick Special 1 x 4 with Masonry Brick Profile Dark Tan Part 15533 Element 6502374 or 6218456 ×3

Plates 9 pieces

  • Plate 1 x 2 Dark Blue Part 3023 Element 6554191 or 4528981 ×2
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 ×1
  • Plate 8 x 8 Dark Bluish Gray Part 41539 Element 4210802 ×1
  • Plate 1 x 6 Dark Red Part 3666 Element 4539062 or 4164108 ×1
  • Plate 1 x 8 Dark Red Part 3460 Element 4541507 or 4529027 ×1
  • Plate 1 x 2 Dark Tan Part 3023 Element 4528604 or 4497082 ×2
  • Plate 1 x 3 Dark Tan Part 3623 Element 6132768 or 4497086 ×1

Bricks Sloped 8 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Dark Bluish Gray Part 85984 Element 4567887 ×6
  • Brick Sloped 65° 2 x 1 x 2 Dark Tan Part 60481 Element 6354068 ×2

Bricks 6 pieces

  • Brick 1 x 1 Dark Bluish Gray Part 3005 Element 4211098 ×3
  • Brick 1 x 1 Dark Tan Part 3005 Element 6001824 or 4497070 ×3

Technic Pins 4 pieces

  • Technic Pin without Friction Ridges Lengthwise Yellow Part 3673 Element 6331822 ×4

Plates Special 3 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Bluish Gray Part 15573 Element 6092572 ×2
  • Plate Special 1 x 2 with Door Rail Dark Bluish Gray Part 32028 Element 4543086 or 4541289 ×1

Technic Special 3 pieces

  • Technic Ball Joint White Part 32474 Element 6052864 or 4585627 ×3

Technic Beams 2 pieces

  • Technic Beam 1 x 3 Thick Dark Blue Part 32523 Element 6434419 or 6302341 ×2

Technic Connectors 2 pieces

  • Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Red Part 32530 Element 4207715 or 3253021 ×2

Animal / Creature Accessories 1 piece

  • Insect Accessory, Spider Web, Hanging White Part 90981 Element 6549520 or 6006221 ×1

Tiles 1 piece

  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×1

Tiles Special 1 piece

  • Tile Special Round 2 x 2 with Hole Dark Bluish Gray Part 15535 Element 6055313 ×1

Windows and Doors 1 piece

  • Door Frame 1 x 4 x 4, no Holes Black Part 40527 Element 6254519 ×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.