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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.

Early Math Numbers Set

Checking

9540 Early Math Numbers Set

115 pieces in 54 part and color combinations.

LEGO counts 112 pieces. This inventory comes from a separate parts catalog and lists 115; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

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 109 pieces

  • Duplo Brick 2 x 2 Blue Part 3437 Element 343723 ×5
  • Duplo Brick 2 x 6 x 2 with Curved Ends Blue Part 4197 Element 4161148 or 419723 ×1
  • Duplo Technic Axle 5L with Paddle Wheel Gear 8 Tooth Blue Part 6523 Element 6192732 or 6123958 ×1
  • Duplo Brick 2 x 2 Bright Green Part 3437 Element 4583789 or 4168579 ×5
  • Duplo Brick 2 x 3 with Curved Top Bright Green Part 2302 Element 4170797 ×2
  • Duplo Brick 2 x 4 Bright Green Part 3011 Element 4513084 or 4290085 ×1
  • Duplo Brick 2 x 8 Bright Green Part 4199 Element 4291890 or 4167847 ×1
  • Duplo Animal Hippo Baby With Eyes Print Dark Gray Part 2276pr0001 Element 81524 ×1
  • Duplo Animal Alligator Green Part 2284pr0001 Element 4166478 or 81523 ×1
  • Duplo Animal Elephant Baby Standing, Round Eye Print Light Gray Part 6502pr0002 Element 74705 ×1
  • Duplo Brick 1 x 2 x 2 Red Part 4066 Element 4162461 or 4100634 ×2
  • Duplo Brick 2 x 2 Red Part 3437 Element 4583321 or 343721 ×5
  • Duplo Brick 2 x 3 with Curved Top Red Part 2302 Element 230271 or 230221 ×2
  • Duplo Brick 2 x 4 Red Part 3011 Element 4583326 or 4290074 ×2
  • Duplo Door / Window Frame with Raised Door Outline Red Part 2332 Element 233221 or 74923 ×1
  • Duplo Baseplate 12 x 16 White Part 6851 Element 4520471 or 4219762 ×2
  • Duplo Tile 2 x 2 White Part 6309 Element 4219247 or 630901 ×16
  • Duplo Tile 2 x 2 with '(' Print White Part 6309pr0058 Element 4520750 or 4219336 ×2
  • Duplo Tile 2 x 2 with '10' Print White Part 6309pr0094 Element 4219339 ×2
  • Duplo Tile 2 x 2 with '11' Print White Part 6309pr0095 Element 4219340 ×2
  • Duplo Tile 2 x 2 with '12' Print White Part 6309pr0096 Element 4219341 ×2
  • Duplo Tile 2 x 2 with ':' Print White Part 6309pr0059 Element 4520752 or 4219338 ×2
  • Duplo Tile 2 x 2 with '÷' Print White Part 6309pr0060 Element 4520753 or 4219432 ×2
  • Duplo Tile 2 x 2 with Addition ( '+' ) Print White Part 6309pr0073 Element 4520749 or 4219335 ×2
  • Duplo Tile 2 x 2 with Equal To ( '=' ) Print White Part 6309pr0072 Element 4520748 or 4219333 ×2
  • Duplo Tile 2 x 2 with Less Than ( '<' ) / Greater Than ( '>' ) Print White Part 6309pr0071 Element 4520747 or 4219331 ×2
  • Duplo Tile 2 x 2 with Minus ( '-' ) Print White Part 6309pr0074 Element 4520751 or 4219337 ×2
  • Duplo Tile 2 x 2 with Multiplication ( 'x' ) Print White Part 6309pr0075 Element 4520754 or 4219434 ×2
  • Duplo Tile 2 x 2 with Number '0' Print White Part 6309pr0070 Element 6039746 or 4520746 ×2
  • Duplo Tile 2 x 2 with Number '1' Print White Part 6309pr0061 Element 6039735 or 4520737 ×2
  • Duplo Tile 2 x 2 with Number '2' Print White Part 6309pr0062 Element 6039736 or 4520738 ×2
  • Duplo Tile 2 x 2 with Number '3' Print White Part 6309pr0063 Element 6039737 or 4520739 ×2
  • Duplo Tile 2 x 2 with Number '4' Print White Part 6309pr0064 Element 6039738 or 4520740 ×2
  • Duplo Tile 2 x 2 with Number '5' Print White Part 6309pr0065 Element 6039741 or 4520741 ×2
  • Duplo Tile 2 x 2 with Number '6' Print White Part 6309pr0066 Element 6039742 or 4520742 ×2
  • Duplo Tile 2 x 2 with Number '7' Print White Part 6309pr0067 Element 6039743 or 4520743 ×2
  • Duplo Tile 2 x 2 with Number '8' Print White Part 6309pr0068 Element 6039744 or 4520744 ×2
  • Duplo Tile 2 x 2 with Number '9' Print White Part 6309pr0069 Element 6039745 or 4520745 ×2
  • Duplo Animal Giraffe Baby, Loose Spot Print Yellow Part 2278pr0001 Element 81522 ×1
  • Duplo Animal Tiger Cub on Green Base Yellow Part 2275c01pr0003 Element 4206384 ×1
  • Duplo Brick 2 x 2 Yellow Part 3437 Element 4583546 or 343724 ×5
  • Duplo Brick 2 x 2 with Eye with White Spot Print, on Two Sides - Type 1 Yellow Part 3437pr0067 Element 82061 ×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 ×1
  • Duplo Brick 2 x 4 x 2 Rounded Ends with Large Centered Eyes Print Yellow Part 4198pr9981 Element 81981 ×2
  • Duplo Door / Window Yellow Part 4247 Element 424724 ×1
  • Duplo Sign Post Short Yellow Part 4375 Element 4612898 or 437524 ×1
  • Duplo Technic Beam 7 Yellow Part 6524 Element 652424 ×2

Non-Buildable Figures (Duplo, Fabuland, etc) 4 pieces

  • Duplo Figure, Early Child, Hair Swept Left Black, Red Legs, Red Collar and Buttons Print Blue Part 75271pr0013 Element 75513 ×1
  • Duplo Figure, Early Child, with Straight Hair Light Yellow, Dark Pink Legs, Yellow Collar and Dark Pin Buttons Print Medium Green Part 75176pr0009 Element 75463 ×1
  • Duplo Figure, Early Child, Hair Swept Left Black, Blue Legs, Blue Overalls Print Yellow Part 75271pr0014 Element 75507 ×1
  • Duplo Figure, Early Child, with Straight Hair Black, Red Legs, Red Collar and Buttons Print Yellow Part 75176pr0011 Element 75501 ×1

Gear Parts 2 pieces

  • Storage Bin, Dacta, Medium Blue Part upn0038 ×1
  • Storage Bin Lid, Dacta, 19 x 24 Trans-Clear Part 71082 ×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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