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.

Mini Keepsake Box

Checking

40266 Mini Keepsake Box

105 pieces in 32 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.

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Piece checklist

White 29 pieces

  • Bracket 1 x 2 - 1 x 4 [Rounded Corners] White Part 10201 Element 6089574 ×1
  • Brick 1 x 3 White Part 3622 Element 6550143 or 362201 ×2
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×2
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×2
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×4
  • Brick Special 1 x 4 with 4 Studs on One Side White Part 30414 Element 6550167 or 4143254 ×2
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×1
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×2
  • Plate 6 x 10 White Part 3033 Element 4528341 or 303301 ×3
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×5
  • Tile 2 x 3 White Part 26603 Element 6552162 or 6550161 ×3
  • Tile 2 x 4 with Groove White Part 87079 Element 6548271 or 4560178 ×2

Medium Lavender 27 pieces

  • Brick 1 x 1 Medium Lavender Part 3005 Element 6015104 or 4651903 ×2
  • Brick 1 x 2 Medium Lavender Part 3004 Element 6015060 or 4623598 ×3
  • Brick 1 x 4 Medium Lavender Part 3010 Element 6107188 ×12
  • Plate 1 x 2 Medium Lavender Part 3023 Element 4619512 ×2
  • Plate 1 x 4 Medium Lavender Part 3710 Element 6015108 or 4619524 ×4
  • Tile 1 x 4 with Groove Medium Lavender Part 2431 Element 6109874 ×4

Dark Purple 14 pieces

  • Plate Round 1 x 1 with Solid Stud Dark Purple Part 6141 Element 4566522 1 spare in the box ×6
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Purple Part 15573 Element 6092604 ×6
  • Tile 1 x 6 with Groove Dark Purple Part 6636 Element 4619657 ×2

Lime 14 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Lime Part 11477 Element 6069006 ×2
  • Brick Curved 4 x 1 Double, No Studs Lime Part 93273 Element 4617069 ×2
  • Plate 1 x 6 Lime Part 3666 Element 4534665 or 4529160 ×2
  • Tile 1 x 2 with Groove Lime Part 3069b Element 4500125 or 4164025 ×3
  • Tile 1 x 4 with Groove Lime Part 2431 Element 4164021 ×5

Medium Azure 14 pieces

  • Brick 1 x 4 Medium Azure Part 3010 Element 6603319 or 6036238 ×4
  • Brick 1 x 6 Medium Azure Part 3009 Element 6603286 or 4619653 ×2
  • Tile 1 x 2 with Groove Medium Azure Part 3069b Element 6603315 or 4649741 ×2
  • Tile 1 x 4 with Groove Medium Azure Part 2431 Element 4624705 ×6

Dark Pink 6 pieces

  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Dark Pink Part 33291 Element 6170298 or 4216479 1 spare in the box ×6

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 40266-1 [No Color/Any Color] Part 30951 Element 6178246 ×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.