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.
Belville Figure Articulated Elbows, Male, Black Hair, Black Pants, White ShirtNougatPart belfig0003c01pr0005×1
Stickers
2 pieces
Sticker Sheet 1 for Set 5890-1[No Color/Any Color]Part 168865×1
Sticker Sheet 2 for Sets 5810-1, 5890-1[No Color/Any Color]Part 168864×1
Tiles
2 pieces
Tile 1 x 2 with Mail Envelope, Letter, Address and Red Stamp PrintWhitePart 3069bpr0099Element 4521848 or 80170×2
Minifig Heads
1 piece
Minifig Head [Plain] [Blocked Open Stud]Trans-ClearPart 3626bElement 6001581 or 3001140×1
Plates Round Curved and Dishes
1 piece
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)GreenPart 4032aElement 403228×1
Minifigures
2 figures
Belville Figure, Girl, Pink Skirt, Medium Dark Pink BowsMinifigure, checked as a whole figure×1
Belville Figure, Light Yellow SkirtMinifigure, 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.