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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.

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Checking

41951 Message Board

533 pieces in 42 part and color combinations.

LEGO counts 531 pieces. This inventory comes from a separate parts catalog and lists 533; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Tiles Round and Curved 264 pieces

  • Tile 2 x 2 Curved, Macaroni Bright Light Orange Part 27925 Element 6334203 ×16
  • Tile Round 1 x 1 Bright Light Orange Part 98138 Element 6322822 1 spare in the box ×4
  • Tile Round 1 x 1 Quarter Bright Light Orange Part 25269 Element 6214457 1 spare in the box ×12
  • Tile 2 x 2 Curved, Macaroni Bright Pink Part 27925 Element 6331809 or 6251850 ×16
  • Tile Round 1 x 1 Bright Pink Part 98138 Element 6284587 or 6055380 1 spare in the box ×4
  • Tile Round 1 x 1 Quarter Bright Pink Part 25269 Element 6240463 1 spare in the box ×12
  • Tile 2 x 2 Curved, Macaroni Coral Part 27925 Element 6250024 ×16
  • Tile Round 1 x 1 Coral Part 98138 Element 6311436 1 spare in the box ×4
  • Tile Round 1 x 1 Quarter Coral Part 25269 Element 6250022 1 spare in the box ×12
  • Tile 2 x 2 Curved, Macaroni Light Aqua Part 27925 Element 6199894 ×16
  • Tile Round 1 x 1 Light Aqua Part 98138 Element 6398079 or 6322818 1 spare in the box ×4
  • Tile Round 1 x 1 Quarter Light Aqua Part 25269 Element 6199886 1 spare in the box ×12
  • Tile 2 x 2 Curved, Macaroni Medium Azure Part 27925 Element 6258069 ×16
  • Tile Round 1 x 1 Medium Azure Part 98138 Element 6322819 1 spare in the box ×4
  • Tile Round 1 x 1 Quarter Medium Azure Part 25269 Element 6603341 or 6150370 1 spare in the box ×12
  • Tile Round 1 x 1 Opal Trans-Clear Part 98138 Element 6514200 or 6302964 1 spare in the box Also in White ×40
  • Tile 2 x 2 Curved, Macaroni White Part 27925 Element 6550162 or 6172674 ×16
  • Tile Round 1 x 1 White Part 98138 Element 6564903 or 6284572 1 spare in the box Also in Opal Trans-Clear ×4
  • Tile Round 1 x 1 Quarter White Part 25269 Element 6548285 or 6172366 1 spare in the box ×12
  • Tile 2 x 2 Curved, Macaroni Yellowish Green Part 27925 Element 6538519 or 6378424 ×16
  • Tile Round 1 x 1 Yellowish Green Part 98138 Element 6284598 1 spare in the box ×4
  • Tile Round 1 x 1 Quarter Yellowish Green Part 25269 Element 6607364 or 6240468 1 spare in the box ×12

Tiles 210 pieces

  • Tile 1 x 1 with Groove Bright Light Orange Part 3070b Element 6065504 1 spare in the box ×30
  • Tile 1 x 1 with Groove Bright Pink Part 3070b Element 6251940 or 4580007 1 spare in the box ×30
  • Tile 1 x 1 with Groove Coral Part 3070b Element 6275876 1 spare in the box ×30
  • Tile 1 x 1 with Groove Light Aqua Part 3070b Element 6251846 1 spare in the box ×30
  • Tile 1 x 1 with Groove Medium Azure Part 3070b Element 4655243 1 spare in the box ×30
  • Tile 1 x 1 with Groove White Part 3070b Element 6550138 or 307001 1 spare in the box ×30
  • Tile 1 x 1 with Groove Yellowish Green Part 3070b Element 6304896 1 spare in the box ×30

Bricks Curved 32 pieces

  • Brick Curved 1 x 4 x 2/3 Double, No Studs White Part 79756 Element 6564915 or 6378416 ×24
  • Brick Curved 2 x 2 x 2/3 Double, Corner, No Studs White Part 79757 Element 6378417 ×8

Plates 21 pieces

  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 ×4
  • Plate 2 x 12 Dark Bluish Gray Part 2445 Element 4211067 ×2
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×7
  • Plate 4 x 4 Corner Dark Bluish Gray Part 2639 Element 4539429 ×4
  • Plate 16 x 16 Medium Lavender Part 91405 Element 6378413 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×2

Gear Parts 2 pieces

  • Sorting Tray, DOTS, 9 Compartment Bright Light Yellow Part 902221 ×1
  • Sorting Tray, DOTS, Lid Trans-Clear Part 902222 ×1

Plates Special 2 pieces

  • Plate Special 2 x 6 with Wall Mount Hook White Part 78168 Element 6378415 ×2

Tools 2 pieces

  • Tile Remover Key Diamond [DOTS] Medium Azure Part 78169 Element 6342513 ×1
  • Brick and Axle Separator v2.0 Orange Part 96874 Element 6240515 or 4654448 ×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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