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LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

PreSchool Building Set: Farm-in-a-Bucket

Checking

2378 PreSchool Building Set: Farm-in-a-Bucket

53 pieces in 26 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 51 pieces

  • Duplo Fence 1 x 5 x 1 1/2, Interlocking Brown Part 3967 ×5
  • Duplo Brick 2 x 2 Green Part 3437 Element 6528078 or 4583552 ×6
  • Duplo Brick 2 x 2 Pin on Side Green Part 3966 Element 4143625 or 396628 ×1
  • Duplo Brick 2 x 3 with Curved Top Green Part 2302 Element 230278 or 230228 ×2
  • Duplo Brick 2 x 4 Green Part 3011 Element 4290071 or 301128 ×5
  • Duplo Animal Horse/Pony, Black & White Eyes Print Light Gray Part 4009pr0002 Element 81649 ×1
  • Duplo Animal Pig, Tall, Black and White Eyes (Old Style) Nougat Part 4011pr0002 ×1
  • Duplo Brick 1 x 2 x 2 with Wheat and Braided Rope Print Red Part 4066pr0153 ×1
  • Duplo Brick 2 x 2 Red Part 3437 Element 4583321 or 343721 ×5
  • Duplo Brick 2 x 3 x 2 with Curve Red Part 2301 Element 230121 ×2
  • Duplo Brick 2 x 4 Red Part 3011 Element 4583326 or 4290074 ×2
  • Duplo Brick 2 x 6 Red Part 2300 Element 4290387 or 230021 ×1
  • Duplo Door / Window Red Part 4247 Element 424721 ×1
  • Duplo Horse Trough 2 x 4 x 2 Red Part 4882 Element 488221 ×1
  • Duplo Animal Chicken / Hen / Rooster, Tail, Lobe Comb, on Green Base White Part 75020 Element 75020 ×1
  • Duplo Animal Chicken / Hen, Tail, Smooth Red Comb, on Green Base White Part 75021pr0001 Element 75021 ×1
  • Duplo Animal Sheep, with Black and White Eyes Print (Old Style) White Part 4012pr0002 ×1
  • Duplo Brick 1 x 2 x 2 with Bucket of Water in Blue Print Yellow Part 4066pr0115 ×1
  • Duplo Brick 2 x 10 Yellow Part 2291 Element 4506400 or 4290197 ×1
  • Duplo Brick 2 x 2 Yellow Part 3437 Element 4583546 or 343724 ×8
  • Duplo Brick 2 x 4 Yellow Part 3011 Element 4290060 or 301124 ×1
  • Duplo Car Base 2 x 6 with Open Hitch End and Red Wheels Yellow Part 2312c02 Element 6006222 or 4592297 ×1
  • Duplo Door / Window Frame with Raised Door Outline Yellow Part 2332 Element 233224 ×1
  • Duplo Propeller / Windmill 8 Blade Fan 6 x 6 Yellow Part 3965 ×1

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

  • Duplo 2 x 2 x 2 Figure Brick, White Head, Spiky Bangs, Brown Hair, Brown Dungarees Print Green Part 2327c01pr0007 ×1
  • Duplo 2 x 2 x 2 Figure Brick, Rounded Bangs, White Head, Black Hair, Yellow and Red Spotted Scarf Print Red Part 2327c02pr0010 ×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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