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.

Slave One

Checking

911508 Slave One

20 pieces in 14 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

Dark Bluish Gray 6 pieces

  • Brick Special 1 x 1 with Stud on 1 Side Dark Bluish Gray Part 87087 Element 4558955 ×1
  • Minifig Neckwear Bracket [One Stud] Dark Bluish Gray Part 42446 Element 4210469 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Dark Bluish Gray Part 3794b Element 4211119 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×1

Light Bluish Gray 5 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Light Bluish Gray Part 54200 Element 4521921 or 4244372 ×1
  • Brick Special 1 x 1 with Headlight Light Bluish Gray Part 4070 Element 4211476 ×1
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Bluish Gray Part 4032a Element 4211475 ×1
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×1

White 3 pieces

  • Brick Special 1 x 1 Studs on 4 Sides White Part 4733 Element 4111971 or 473301 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove White Part 2412b Element 6601902 or 241201 ×2

Blue 2 pieces

  • Plate Special 3 x 2 with Rounded End, Hole Blue Part 3176 Element 317673 or 317623 ×2

Tan 2 pieces

  • Plate 1 x 1 Tan Part 3024 Element 4159553 or 302405 ×2

Trans-Brown 2 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Brown Part 54200 Element 6245263 or 4244368 ×2

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.