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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.

Adhesive Patches Mega Pack

Checking

41957 Adhesive Patches Mega Pack

478 pieces in 33 part and color combinations.

LEGO counts 486 pieces. This inventory comes from a separate parts catalog and lists 478; 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.

Show

Piece checklist

White 94 pieces

  • Tile 1 x 1 with Groove White Part 3070b Element 6550138 or 307001 ×24
  • Tile Round 1 x 1 White Part 98138 Element 6564903 or 6284572 ×30
  • Tile Round 1 x 1 Half Circle White Part 24246 Element 6609539 or 6250591 ×8
  • Tile Round 1 x 1 Quarter White Part 25269 Element 6548285 or 6172366 ×32

Dark Azure 72 pieces

  • Tile 1 x 1 with Groove Dark Azure Part 3070b Element 6151658 ×22
  • Tile Round 1 x 1 Dark Azure Part 98138 Element 6322824 ×20
  • Tile Round 1 x 1 Quarter Dark Azure Part 25269 Element 6199887 ×30

Coral 56 pieces

  • Tile 1 x 1 with Groove Coral Part 3070b Element 6275876 ×14
  • Tile Round 1 x 1 Coral Part 98138 Element 6311436 ×20
  • Tile Round 1 x 1 Quarter Coral Part 25269 Element 6250022 ×22

Bright Light Orange 52 pieces

  • Tile 1 x 1 with Groove Bright Light Orange Part 3070b Element 6065504 ×20
  • Tile Round 1 x 1 Bright Light Orange Part 98138 Element 6322822 ×20
  • Tile Round 1 x 1 Quarter Bright Light Orange Part 25269 Element 6214457 ×12

Bright Light Yellow 43 pieces

  • Baseplate Special 8 x 8 with Adhesive Backside Bright Light Yellow Part 79759c01 Element 6396070 ×1
  • Tile 1 x 1 with Groove Bright Light Yellow Part 3070b Element 6275877 ×12
  • Tile Round 1 x 1 Bright Light Yellow Part 98138 Element 6343806 ×20
  • Tile Round 1 x 1 Quarter Bright Light Yellow Part 25269 Element 6554798 or 6228969 ×10

Lavender 42 pieces

  • Tile Round 1 x 1 Lavender Part 98138 Element 6322820 ×20
  • Tile Round 1 x 1 Quarter Lavender Part 25269 Element 6240465 ×22

Bright Green 38 pieces

  • Tile 1 x 1 with Groove Bright Green Part 3070b Element 6172375 ×22
  • Tile Round 1 x 1 Quarter Bright Green Part 25269 Element 6275873 ×16

Magenta 32 pieces

  • Tile Round 1 x 1 Magenta Part 98138 Element 6322816 ×20
  • Tile Round 1 x 1 Quarter Magenta Part 25269 Element 6199889 ×12

Dark Blue 23 pieces

  • Baseplate Special 8 x 8 with Adhesive Backside Dark Blue Part 79759c01 Element 6396076 ×1
  • Tile 1 x 1 with Groove Dark Blue Part 3070b Element 6554193 or 4631385 ×12
  • Tile Round 1 x 1 Quarter Dark Blue Part 25269 Element 6554207 or 6199890 ×10

Opal Trans-Bright Green 20 pieces

  • Tile Round 1 x 1 Opal Trans-Bright Green Part 98138 Element 6514203 or 6399257 ×20

Dark Turquoise 2 pieces

  • Baseplate Special 8 x 8 with Adhesive Backside Dark Turquoise Part 79759c01 Element 6370224 ×1
  • Tile Remover Key Diamond [DOTS] Dark Turquoise Part 78169 Element 6375932 ×1

Bright Pink 1 piece

  • Baseplate Special 8 x 8 with Adhesive Backside Bright Pink Part 79759c01 Element 6396074 ×1

Medium Azure 1 piece

  • Sorting Tray, DOTS, 7 Compartment Medium Azure Part 901957 ×1

Orange 1 piece

  • Baseplate Special 8 x 8 with Adhesive Backside Orange Part 79759c01 Element 6396071 ×1

Trans-Clear 1 piece

  • Sorting Tray, DOTS, Lid Trans-Clear Part 901956 ×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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