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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.

Extra DOTS - Series 4

Checking

41931 Extra DOTS - Series 4

91 pieces in 18 part and color combinations.

LEGO counts 105 pieces. This inventory comes from a separate parts catalog and lists 91; 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 49 pieces

  • Tile Round 1 x 1 Half Circle Bright Light Orange Part 24246 Element 6313554 1 spare in the box ×7
  • Tile Round 1 x 1 Bright Light Yellow Part 98138 Element 6343806 1 spare in the box ×7
  • Tile Round 1 x 1 Half Circle Bright Pink Part 24246 Element 6258972 1 spare in the box ×7
  • Tile Round 1 x 1 Quarter Dark Turquoise Part 25269 Element 6240467 1 spare in the box Also in Medium Azure ×7
  • Tile Round 1 x 1 Light Aqua Part 98138 Element 6398079 or 6322818 1 spare in the box ×7
  • Tile Round 1 x 1 Quarter Medium Azure Part 25269 Element 6603341 or 6150370 1 spare in the box Also in Dark Turquoise ×7
  • Tile Round 1 x 1 Orange Part 98138 Element 6284582 or 6009459 1 spare in the box ×7

Bricks Curved 16 pieces

  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Medium Azure Part 49307 Element 6337982 ×4
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Orange Part 49307 Element 6278436 ×4
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Tan Part 49307 Element 6286329 ×4
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs White Part 49307 Element 6552178 or 6550177 ×4

Tiles 14 pieces

  • Tile 1 x 1 with Groove Green Part 3070b Element 4558593 or 4238528 1 spare in the box ×7
  • Tile 1 x 1 with Groove Red Part 3070b Element 307021 1 spare in the box ×7

Bricks Sloped 12 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Blue Part 54200 Element 4504380 or 4296154 1 spare in the box ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Coral Part 54200 Element 6258098 1 spare in the box ×3
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Purple Part 54200 Element 4567509 or 4255409 1 spare in the box ×3
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Yellow Part 54200 Element 4504381 or 4283095 1 spare in the box ×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.

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