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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.
Builders who report a missing piece often find it in one of these places. Tick each one off as you look.
LEGO's request form asks for the set number (10987) and each piece's element ID, both listed above.
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Duplo Brick 1 x 2 x 2 with Papers, Dog, Vegetables Print
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Duplo Garbage Can / Bin
×1
Duplo Plate 2 x 3 with 4 Studs and Reinforced Hinge
×1
Duplo Plate 2 x 8
×1
Duplo Brick 1 x 2 x 2 with Trash Bag, Banana Peel, Apple Core, Carrot Tops Print
×1
Duplo Garbage Can / Bin
×1
Duplo Brick 2 x 2
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Duplo Dump Truck Container 5 x 8 x 3 1/2 with 2 x 8 Studs on Top
×1
Duplo Brick 1 x 2 x 2 with Plastic Bottles Print
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Duplo Garbage Can / Bin
×1
Duplo Equipment, Broom / Brush, Short Bristles
×1
Duplo Animal Dog, Pug with Dark Brown Spots, Black Nose Print
×1
Duplo Car Base 4 x 8 with Four Black Wheels and White Hubs
×1
Duplo Car Body Truck 4 x 4 Flatbed with 4 Top Studs - Headlights and Light Bluish grey Fender, Grill Print
×1
Duplo Figure with Curly Hair Dark Brown, Vibrant Yellow Safety Suit with ID Badge and Recycling Symbol Print
×1
Tick each piece as you find it, or mark it missing.
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 LEGOMark 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.
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.
