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.
Large Figure Head Connector Block (Toa Okoto)Flat SilverPart 19049Element 6102606×1
Propeller 8 Blade 5 DiameterFlat SilverPart 41530Element 6325297 or 6289758×1
Pearl Titanium
3 pieces
Large Figure Foot, with 2 ToesPearl TitaniumPart 98597Element 6058165×2
Large Figure Skeletal, Connector with 2 Ball JointsPearl TitaniumPart 24189Element 6139106×1
Tan
1 piece
Technic Axle Pin without Friction Ridges LengthwiseTanPart 3749Element 4666579 or 4186017×1
Trans-Light Blue
1 piece
Large Figure Head Connector Block Eye / Brain StalkTrans-Light BluePart 24187Element 6135238×1
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.
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.