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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.

Truck & Tracked Excavator

Checking

10931 Truck & Tracked Excavator

20 pieces in 19 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 18 pieces

  • Duplo Cabin Top 4 x 4 Black Part 65830 Element 6299072 ×1
  • Duplo Car Base 2 x 4 with Fixed Axles - 27.5 Yellow Wheels and Black Tires Black Part 12592c02 Element 6246959 or 6201043 ×1
  • Duplo Plate 2 x 3 with 4 Studs and Reinforced Hinge Black Part 65084 Element 6306660 ×1
  • Duplo Plate 4 x 4 with 16 Studs and Reinforced Hinge Black Part 65085 Element 6308368 ×1
  • Duplo Brick 2 x 2 Dark Bluish Gray Part 3437 Element 4583792 or 4583551 ×1
  • Duplo Brick 2 x 2 Light Bluish Gray Part 3437 Element 4583794 or 4266228 ×1
  • Duplo Rock Light Bluish Gray Part 65870 Element 6299079 ×1
  • Duplo Shovel / Spade with 'D' Handle Light Bluish Gray Part 51269 Element 6028006 or 4244408 ×1
  • Duplo Brick 2 x 2 Medium Azure Part 3437 Element 6054619 ×1
  • Duplo Digger Bucket Arm Double with Reinforced Locking Ring Medium Azure Part 65082 Element 6308367 ×2
  • Duplo Dump Truck Bed 4 x 4 x 2 (Tipper) Medium Azure Part 14094 Element 6307356 ×1
  • Duplo Turntable 4 x 4 Base, Flush Surface Medium Azure Part 92005 Element 6303204 or 6136354 ×1
  • Duplo Digger Bucket - Small with Locking Ring - 4 teeth Orange Part 21997 Element 6147328 ×1
  • Duplo Car Base 4 x 8 with Four Black Wheels and Yellow Hubs White Part 24911c01 Element 6249384 ×1
  • Duplo Car Body Truck 4 x 4 Flatbed with 4 Top Studs - Grille and Headlights and Hazard Stripes Print Yellow Part 15454pr0006 Element 6307350 ×1
  • Duplo Caterpillar Chassis/Base Assembly Yellow Part 25600 Element 6143797 ×1
  • Duplo Truck / Digger Cabin Bottom 4 x 4 Yellow Part 65829 Element 6299071 ×1

Non-Buildable Figures (Duplo, Fabuland, etc) 2 pieces

  • Duplo Figure with Hard Hat and Hair, Black Legs, Safety Vest Orange Part 68774pr0001 Element 6308180 ×1
  • Duplo Figure with Headset and Cap White, with Medium Azure Arms, Orange Safety Vest, and Black Legs Orange Part 10111pr0117 Element 6391969 or 6301361 ×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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