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.
467 pieces in 172 part and color combinations, plus 2 minifigures.
The official piece count includes the 9 parts inside the set's minifigures, which this inventory lists separately. 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.
Technic Brick 1 x 1 with Pin HoleLight Bluish GrayPart 6541Element 4211535×1
Technic Brick 1 x 1 with Axle HoleReddish BrownPart 73230Element 6397610×2
Minidoll Heads
1 piece
Minidoll Head, Dark Tan Eyebrows, Dark Brown Eyes, Coral Lips, ScaredLight NougatPart 92198pr0086Element 6548510×1
Stickers
1 piece
Sticker Sheet for Set 75688-1[No Color/Any Color]Part 10113760Element 6548521×1
Technic Beams
1 piece
Technic Beam 1 x 2 ThinLight Bluish GrayPart 41677Element 6348143 or 4211741×1
Technic Bushes
1 piece
Technic Bush 1/2 Smooth with Axle Hole Semi-ReducedLight Bluish GrayPart 32123bElement 6271165 or 4211573×1
Tubes and Hoses
1 piece
Zipline, 22L with 2 Connectors - FlexiblePearl GoldPart 27965Element 6559521 or 6368328×1
Minifigures
2 figures
Glinda, White Wedding DressMinifigure, checked as a whole figure×1
Madame Morrible, Dark Green DressMinifigure, checked as a whole figure×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.