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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.
Checking
13 pieces in 13 part and color combinations.
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 (STOCKHOLM) and each piece's element ID, both listed above.
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Minifig Head Lance, Dual Sided, Dark Tan Eyebrows, Cheek Lines, Smile with Right Eye Closed / Smile with Teeth Print [Hollow Stud]
×1
Minifig Head Lucy Wyldstyle, Dual Sided, Female, Eyebrows, Freckles, Eyelashes, Pink Lips, Open Mouth Smile / Angry Print [Hollow Stud]
×1
Minifig Head Sally, Girl, Eyelashes, Freckles, Smile
×1
Hair Long with Ponytail French Braided with 2 Holes
×1
Hair Ponytail and Swept Sideways Fringe
×1
Hair Tousled with Side Part
×1
Hips and Blue Legs
×1
Hips and Dark Blue Legs
×1
Hips and Yellow Legs
×1
Torso, Jacket with Anchor, Open over Dark Red Sweater Print, Blue Arms, Yellow Hands
×1
Torso, Jacket with White Shirt, Buttons Print, Dark Blue Arms, Yellow Hands
×1
Torso, Mermaid Shell Bra and Star Necklace Print, Yellow Arms and Hands
×1
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3
×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.
