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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.

Bob and Muck Repair the Barn

Checking

3274 Bob and Muck Repair the Barn

37 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

Duplo, Quatro and Primo 36 pieces

  • Duplo Bulldozer Base with Treads and Four Black Wheels with Red Print (Muck) Black Part 40651 Element 4556819 or 4157825 ×1
  • Duplo Brick 1 x 2 x 2 with Electric Drill and Wrench Print Blue Part 4066pr0012 Element 4157899 ×1
  • Duplo Brick 2 x 6 Brown Part 2300 Element 4157991 or 4119640 ×2
  • Duplo Plate 6 x 12 Brown Part 4196 Element 4157957 ×1
  • Duplo Ladder 8 Rung Dark Gray Part 2224 Element 4157732 ×1
  • Duplo Brick 1 x 2 x 2 Dark Orange Part 4066 Element 4162462 or 4157280 ×4
  • Duplo Brick 1 x 2 x 2 with Wood Grain Print Dark Orange Part 4066pr0146 Element 4157782 ×4
  • Duplo Plate Special 4 x 6 with Studs on Edge Dark Orange Part 31465 Element 4157900 ×2
  • Duplo Brick 2 x 2 Green Part 3437 Element 6528078 or 4583552 ×4
  • Duplo Brick 2 x 4 Green Part 3011 Element 4290071 or 301128 ×1
  • Duplo Brick 2 x 4 x 2 with Bush and Spud the Scarecrow Print Green Part 31111pr9982 Element 4157898 ×1
  • Duplo Backhoe / Train Cabin Roof Red Part 4543 Element 6196730 or 6150611 ×1
  • Duplo Backhoe Tractor Cabin Red Part 40639 Element 4496202 or 4153489 ×1
  • Duplo Brick 2 x 2 Digger Bucket Arm Holder Red Part 40637 Element 4543243 or 4217157 ×1
  • Duplo Bulldozer Bucket Red Part 40648 Element 4561020 or 4153500 ×1
  • Duplo Bulldozer Front with Eyes Looking Straight and Smile Print (Muck) Red Part 40647pr0002 Element 4154260 ×1
  • Duplo Hydraulic Arm (40636 / 64123) Red Part 64123 Element 4543478 or 4217170 ×2
  • Duplo Plate 2 x 4 Red Part 40666 Element 4583329 or 4567246 ×2
  • Duplo Plate 4 x 4 with 4 Center Studs and Hinge Red Part 89465 Element 4156629 ×1
  • Duplo Tipper Bucket Bed Red Part 31088 Element 4100760 ×1
  • Duplo Bag, Plain Tan Part 41506 Element 4157880 ×1
  • Duplo Brick 1 x 2 x 2 with Bundle of Straw Print Yellow Part 4066pr0132 Element 82547 ×2

Non-Buildable Figures (Duplo, Fabuland, etc) 1 piece

  • Duplo Figure, Early, Hard Hat Yellow, Medium Blue Legs, Yellow Top, Light Blue Overalls and Toolbelt Print (Bob The Builder) Yellow Part 74506pr0042 Element 4157101 ×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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