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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.

Muck & Roley in the Sunflower Factory

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3289 Muck & Roley in the Sunflower Factory

36 pieces in 29 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 35 pieces

  • Duplo Bulldozer Base with Treads and Four Black Wheels with Red Print (Muck) Black Part 40651 Element 4556819 or 4157825 ×1
  • Duplo Plate 4 x 8 Dark Tan Part 4672 Element 4279272 or 4255053 ×1
  • Duplo Backhoe / Train Cabin Roof Green Part 4543 Element 4581439 or 4205310 ×1
  • Duplo Backhoe Tractor Cabin Green Part 40639 Element 4496201 or 4164455 ×1
  • Duplo Flashlight, 2 x 2 Base with Trans-Neon Orange Light Green Part 41195c01 Element 4171261 or 4169470 ×1
  • Duplo Steamroller Base Front Roller (Roley) Green Part 42245 Element 4263153 or 4163249 ×1
  • Duplo Steamroller Base Rear Roller Wheels (Roley) Green Part 42249 Element 4263014 or 4163254 ×1
  • Duplo Steamroller Front with Grille and Headlight Eyes (Roley) Print Green Part 42253 Element 4263557 or 4163258 ×1
  • Duplo Brick 2 x 2 Light Bluish Gray Part 3437 Element 4583794 or 4266228 ×1
  • Duplo Brick 2 x 2 x 2 Light Bluish Gray Part 31110 Element 4211854 ×1
  • Duplo Brick 2 x 2 Medium Blue Part 3437 Element 4166960 or 4162701 ×4
  • Duplo Brick 2 x 4 Medium Blue Part 3011 Element 4290088 or 4167177 ×1
  • Duplo Brick 2 x 4 x 2 with Wheels Print Medium Blue Part 31111pr9984 Element 4505671 ×1
  • Duplo Wrench Pearl Light Gray Part 47509 Element 4281735 or 4207545 ×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 Brick 2 x 2 Slope 45° with Joystick and Controls Print Red Part 6474pr9992 Element 6034944 or 4259925 ×1
  • Duplo Bulldozer Bucket Red Part 40648 Element 4561020 or 4153500 ×1
  • Duplo Bulldozer Front with Eyes Looking Left Print (Muck) Red Part 40647pr0001 Element 4263480 ×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 Plate 2 x 8 Tan Part 44524 Element 4183797 ×1
  • Duplo Roofpiece Slope 30 4 x 4 Shingled with a Medium Blue Base Trans-Dark Blue Part 4860c05 Element 4292839 ×2
  • Duplo Brick 2 x 2 x 2 with Sunflower and Two Arrows Print Yellow Part 31110pr0016 Element 4293074 ×2
  • Duplo Brick 2 x 4 x 2 with 3 Gears Print Yellow Part 31111pr9979 Element 4505670 ×1

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

  • Duplo Figure with Ponytail Yellow, with Blue Legs, Lime Top (Wendy) Lime Part 75113pr0047 Element 4542236 or 4272972 ×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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