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.
133 pieces in 59 part and color combinations, plus 1 minifigure.
The official piece count includes the 8 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 BushLight Bluish GrayPart 3713Element 6275844 or 62718171 spare in the box×1
Trans-Red
4 pieces
Cone 1 x 1 [No Top Groove]Trans-RedPart 4589Element 618841×4
Pearl Light Gray
3 pieces
Arm Mechanical with Clip [Thin Support]Pearl Light GrayPart 53989Element 4494600 or 4288114×3
Trans-Yellow
1 piece
Plate Round 1 x 1 with Solid StudTrans-YellowPart 6141Element 6514056 or 62402161 spare in the box×1
[No Color/Any Color]
1 piece
Sticker Sheet for Set 8105-1[No Color/Any Color]Part 58514Element 4500387×1
Minifigures
1 figure
Devastator with Trans-Red Torso and Red EyesMinifigure, 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.