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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.

Push Train Set

Checking

9212 Push Train Set

129 pieces in 38 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 126 pieces

  • Duplo Brick 2 x 2 Black Part 3437 Element 4583790 or 343726 ×2
  • Duplo Support 2 x 3 x 3 with 2 Top Studs Black Part 41969 Element 4162956 ×1
  • Duplo Train Crossing Barrier / Gate Base Black Part 6405 Element 4168685 ×2
  • Duplo Suitcase Blue Part 6427 Element 4100726 or 642723 ×1
  • Duplo Brick 2 x 2 Bright Green Part 3437 Element 4583789 or 4168579 ×13
  • Duplo Brick 2 x 4 Bright Green Part 3011 Element 4513084 or 4290085 ×1
  • Duplo Plate 4 x 8 Bright Green Part 4672 Element 6048851 or 4279293 ×1
  • Duplo Plate 6 x 12 Bright Green Part 4196 Element 6139231 or 6092951 ×1
  • Duplo Train Chassis 2 x 6 with Red Train Wheels and Moveable Hook Bright Green Part 4559c01 Element 4541297 ×4
  • Duplo Train Steam Engine Funnel Top, Red Top Bright Green Part 4570c01 Element 4177509 ×2
  • Duplo Train Track 4 x 8 Curved [Short] Dark Bluish Gray Part 6378 Element 4211015 ×20
  • Duplo Train Track 4 x 8 Straight Dark Bluish Gray Part 6377 Element 4211014 ×18
  • Duplo Train Track Switcher with Red Switch Dark Bluish Gray Part 51560 Element 4250072 ×2
  • Duplo Train Track with Ramps For Car Crossing Dark Bluish Gray Part 6391 Element 4211019 ×1
  • Duplo Train Tracks, Crossrails Dark Bluish Gray Part 6376 Element 4211013 ×1
  • Duplo Animal Horse/Foal without Spots Dark Orange Part 75723pr0001 Element 6278606 or 6149646 ×1
  • Duplo Brick 2 x 2 Dark Orange Part 3437 Element 4583791 or 4158534 ×8
  • Duplo Brick 2 x 2 Lime Part 3437 Element 4183780 ×6
  • Duplo Brick 1 x 3 x 2 Triangle Road Sign with Steam Engine Print Red Part 42025pr0002 Element 4257603 ×1
  • Duplo Brick 2 x 2 Red Part 3437 Element 4583321 or 343721 ×12
  • Duplo Brick 2 x 2 x 2 Curved Top Red Part 3664 Element 6386988 or 4198458 ×1
  • Duplo Brick 2 x 4 x 2 Curved Top with Clock Print Red Part 31213pr0002 Element 4169666 ×1
  • Duplo Bridge Girder Red Part 51559 Element 4250071 ×2
  • Duplo Door / Window Frame with Raised Door Outline Red Part 2332 Element 233221 or 74923 ×1
  • Duplo Plate 2 x 4 Red Part 40666 Element 4583329 or 4567246 ×1
  • Duplo Train Crossing Gate / Barrier, with Small Handle and White Stripes Red Part 6406b Element 4143223 ×2
  • Duplo Train Steam Engine Cabin, Small Front Windows Red Part 4544 Element 454421 ×2
  • Duplo Train Steam Engine Cow Catcher Red Part 4550 Element 4541015 or 4255085 ×2
  • Duplo Animal Cow, Baby (Calf) with Spots Print White Part 75721pr0001 Element 75721 ×1
  • Duplo Brick 2 x 2 Yellow Part 3437 Element 4583546 or 343724 ×2
  • Duplo Brick 2 x 8 Yellow Part 4199 Element 4291883 or 419924 ×1
  • Duplo Door / Window with Four Panes Yellow Part 4809 Element 480924 ×1
  • Duplo Fence / Rail 1 x 6 with 5 Rails Yellow Part 2214 Element 4100715 or 221424 ×5
  • Duplo Train Chassis with Blue Drive Rod and Red Wheels Yellow Part 4580c07 Element 4541250 ×2
  • Duplo Train Wagon Yellow Part 2032 Element 203224 ×4

Non-Buildable Figures (Duplo, Fabuland, etc) 3 pieces

  • Duplo Figure with Police Style Hat Red, with Black Legs, Blue Jacket with Red/Yellow Tie, Nougat Hands, Smile with Closed Mouth (Train Conductor) Blue Part 98465pr0051 Element 4648959 or 4529992 ×1
  • Duplo Figure with Cap Blue, with Blue Legs, Green Top with Yellow Scarf, and Curly Mustache Print (Train Engineer) Bright Green Part 48842pr0002 Element 6034934 or 4620747 ×1
  • Duplo Figure with Hair with Side Parting Very Light Gray, with Dark Red Legs, Sand Green Sweater, Green Eyes, Glasses Sand Green Part 47554 Element 4208136 ×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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