Free tool

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.

Limited Edition Green Brick Tub

Checking

5492 Limited Edition Green Brick Tub

121 pieces in 28 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

Yellow 29 pieces

  • Duplo Brick 2 x 2 Yellow Part 3437 Element 4583546 or 343724 ×15
  • Duplo Brick 2 x 2 Slope 45° Yellow Part 6474 Element 4118928 ×3
  • Duplo Brick 2 x 3 with Curved Top Yellow Part 2302 Element 230274 or 230224 ×2
  • Duplo Brick 2 x 3 x 2 with Curve Yellow Part 2301 Element 230124 ×2
  • Duplo Brick 2 x 4 Yellow Part 3011 Element 4290060 or 301124 ×5
  • Duplo Plate 2 x 4 Yellow Part 40666 Element 4160152 ×2

Red 28 pieces

  • Duplo Brick 2 x 2 Red Part 3437 Element 4583321 or 343721 ×15
  • Duplo Brick 2 x 3 with Curved Top Red Part 2302 Element 230271 or 230221 ×2
  • 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 ×5
  • Duplo Plate 2 x 4 Red Part 40666 Element 4583329 or 4567246 ×4

Bright Green 25 pieces

  • Duplo Brick 2 x 2 Bright Green Part 3437 Element 4583789 or 4168579 ×15
  • Duplo Brick 2 x 3 with Curved Top Bright Green Part 2302 Element 4170797 ×4
  • Duplo Brick 2 x 4 Bright Green Part 3011 Element 4513084 or 4290085 ×5
  • Duplo Brick 2 x 8 Bright Green Part 4199 Element 4291890 or 4167847 ×1

Blue 22 pieces

  • Duplo Brick 2 x 2 Blue Part 3437 Element 343723 ×15
  • Duplo Brick 2 x 3 with Curved Top Blue Part 2302 Element 230273 or 230223 ×2
  • Duplo Brick 2 x 4 Blue Part 3011 Element 4290075 or 301123 ×5

Green 6 pieces

  • Duplo Brick 2 x 2 Green Part 3437 Element 6528078 or 4583552 ×3
  • 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 ×1

Dark Orange 5 pieces

  • Duplo Brick 2 x 2 Dark Orange Part 3437 Element 4583791 or 4158534 ×3
  • Duplo Brick 2 x 4 Dark Orange Part 3011 Element 4290076 or 4158386 ×1
  • Duplo Brick 2 x 4 x 2 with 2 x 2 Square Arch Dark Orange Part 6394 Element 6004949 or 4164454 ×1

Medium Blue 4 pieces

  • Duplo Brick 2 x 2 Medium Blue Part 3437 Element 4166960 or 4162701 ×3
  • Duplo Brick 2 x 4 Medium Blue Part 3011 Element 4290088 or 4167177 ×1

White 1 piece

  • Duplo Brick 2 x 2 White Part 3437 Element 343701 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Sets 5419-1, 5481-1, 5486-1, 5488-1, 5492-1, 5538-1, 5548-1, 5511-1, 4540313-1 [No Color/Any Color] Part 56151 Element 4293560 ×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.