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.
LEGO counts 23 pieces. This inventory comes from a separate parts catalog and lists 24; 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.
LEGO's request form asks for the set number (6720) and each piece's element ID, both listed above.
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Clear every mark for this set?
Piece checklist
Animal / Creature Body Parts
21 pieces
Animal Body Part, Dinosaur, Back Sail 8 x 2 x 5Dark GrayPart 40385Element 4153771×1
Animal Body Part, Dinosaur Body Quarter with Pin Holes, Dark Gray Streaked/Sand Blue/Black Streaked/Red Spotted PrintLight GrayPart 40373pr0002Element 4155795×2
Animal Body Part, Dinosaur Body Quarter with Pin Holes, Dark Gray Streaked/Sand Blue/Black Streaked/Red Spotted PrintLight GrayPart 40374pr0002Element 4155797×2
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.
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.