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.

Polybag

Checking

5002116 Polybag

13 pieces in 10 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.

Show

Piece checklist

Bricks Sloped 6 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray Part 54200 Element 4504378 or 4244373 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Bluish Gray Part 3040b Element 4211135 ×3
  • Brick Sloped 75° 2 x 2 x 3 [Hollow Studs] Light Bluish Gray Part 3684 Element 4271332 or 4211684 ×1

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 ×1
  • Plate Round 6 x 6 with Hole Light Bluish Gray Part 11213 Element 6015349 ×1

Bricks Special 1 piece

  • Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×1

Plants & Trees 1 piece

  • Plant, Round 1 x 1 - 3 Bamboo Leaves Green Part 30176 Element 6270003 or 6248461 ×1

Plates 1 piece

  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×1

Rock 1 piece

  • Rock 1 x 1 Crystal 4 Point Trans-Light Blue Part 11127 Element 6248885 or 6019570 ×1

String, Bands and Reels 1 piece

  • Chain 16L [21 Links] Dark Bluish Gray Part 60169 Element 6258887 or 4516456 ×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.