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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.

MUJI Basic Set

Checking

e1a1401 MUJI Basic Set

64 pieces in 23 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

Bricks 26 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×8
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×3
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×15

Plates Round Curved and Dishes 21 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Dark Blue Part 6141 Element 6514055 or 6240214 ×4
  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 ×7
  • Plate Round 1 x 1 with Solid Stud Trans-Light Blue Part 6141 Element 6514058 or 6240225 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 ×1
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 ×4

Plates 7 pieces

  • Plate 1 x 2 Green Part 3023 Element 302328 ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×2
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×3
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×1

Plates Special 6 pieces

  • Plate Special 1 x 2 with Clip Horizontal on End Red Part 63868 Element 6346804 or 4534648 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Red Part 60478 Element 4515365 ×1
  • Plate Special 1 x 2 with Clip Horizontal on End White Part 63868 Element 6361170 or 4535737 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] White Part 60478 Element 6552131 or 4515364 ×1
  • Plate Special 1 x 2 with Clip Horizontal on End Yellow Part 63868 Element 6347284 or 4535740 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Yellow Part 60478 Element 4515367 ×1

Bricks Round and Cones 3 pieces

  • Brick Round 1 x 1 Open Stud Trans-Clear Part 3062b Element 6514232 or 6223655 ×2
  • Brick Round 1 x 1 Open Stud Trans-Red Part 3062b Element 6514235 or 6238673 ×1

Hinges, Arms and Turntables 1 piece

  • Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Red Part 73983 Element 6102786 or 74230 ×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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