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.

Special Elements Pack

Checking

991268 Special Elements Pack

674 pieces in 17 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

Blue 224 pieces

  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×50
  • Brick 2 x 3 Blue Part 3002 Element 300223 ×100
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×25
  • Brick 2 x 6 Blue Part 2456 Element 4181139 or 245623 ×25
  • Plate 4 x 8 Blue Part 3035 Element 303523 ×24

Red 200 pieces

  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×50
  • Brick 2 x 3 Red Part 3002 Element 300271 or 300221 ×100
  • Brick 2 x 4 Red Part 3001 Element 300121 ×25
  • Brick 2 x 6 Red Part 2456 Element 4181138 or 245621 ×25

Green 125 pieces

  • Baseplate 16 x 16 Green Part 3867 Element 4217115 or 609828 ×25
  • Baseplate 8 x 16 Green Part 3865 Element 4219812 or 4179599 ×25
  • Brick 2 x 2 Green Part 3003 Element 300328 ×50
  • Brick 2 x 4 Green Part 3001 Element 4106356 or 300128 ×25

Yellow 75 pieces

  • Brick 2 x 2 Yellow Part 3003 Element 4103588 or 300374 ×50
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×25

Black 25 pieces

  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×25

Dark Bluish Gray 25 pieces

  • Brick 8 x 16 Dark Bluish Gray Part 4204 Element 6283470 or 4217133 ×25

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.