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.
2,143 pieces in 488 part and color combinations, plus 8 minifigures.
The official piece count includes the 50 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.
Look-alike colors in this set
These parts appear in this set in two colors that are easy to confuse. If you are one short in one color,
check whether it went in where the other color belongs. Each color has its own element ID in the parts list
at the back of the instructions.
Brick 1 x 1Black ×2Dark Bluish Gray ×22Black is darker than Dark Bluish Gray.
Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version]Black ×1Dark Bluish Gray ×3Black is darker than Dark Bluish Gray.
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)Black ×28Dark Bluish Gray ×16Black is darker than Dark Bluish Gray.
Brick Sloped 30° 1 x 2 x 2/3Dark Bluish Gray ×12Black ×60Dark Bluish Gray is lighter than Black.
Brick Sloped 45° 2 x 1 with Bottom PinBlack ×2Dark Bluish Gray ×26Black is darker than Dark Bluish Gray.
Brick Special 1 x 1 x 1 2/3 with Studs on 1 SideDark Bluish Gray ×4Black ×2Dark Bluish Gray is lighter than Black.
23 more look-alike pairs
Cone 1 x 1 [Top Groove]Dark Bluish Gray ×1Black ×2Dark Bluish Gray is lighter than Black.
Plate 1 x 1Black ×6Dark Bluish Gray ×22Black is darker than Dark Bluish Gray.
Plate 1 x 12Dark Bluish Gray ×1Black ×5Dark Bluish Gray is lighter than Black.
Plate 1 x 2Black ×14Dark Bluish Gray ×9Black is darker than Dark Bluish Gray.
Plate 1 x 3Dark Bluish Gray ×4Black ×5Dark Bluish Gray is lighter than Black.
Plate 1 x 4Black ×2Dark Bluish Gray ×13Black is darker than Dark Bluish Gray.
Plate 2 x 2Black ×6Dark Bluish Gray ×2Black is darker than Dark Bluish Gray.
Plate 2 x 2 CornerDark Bluish Gray ×10Black ×3Dark Bluish Gray is lighter than Black.
Plate 2 x 4Dark Bluish Gray ×3Black ×7Dark Bluish Gray is lighter than Black.
Plate 4 x 6Black ×1Dark Bluish Gray ×7Black is darker than Dark Bluish Gray.
Plate Round 1 x 1 with Open StudDark Bluish Gray ×6Black ×19Dark Bluish Gray is lighter than Black.
Plate Round Corner 4 x 4Black ×3Dark Bluish Gray ×7Black is darker than Dark Bluish Gray.
Plate Round Corner 6 x 6Black ×7Dark Bluish Gray ×2Black is darker than Dark Bluish Gray.
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)Dark Bluish Gray ×4Black ×3Dark Bluish Gray is lighter than Black.
Plate Special 1 x 2, Top Clip [Open O]Dark Bluish Gray ×6Black ×4Dark Bluish Gray is lighter than Black.
Tile 1 x 4 with GrooveBlack ×5Dark Bluish Gray ×1Black is darker than Dark Bluish Gray.
Tile 2 x 2 with GrooveDark Bluish Gray ×1Black ×1Dark Bluish Gray is lighter than Black.
Tile 45° Cut 2 x 2 (Triangle)Black ×1Dark Bluish Gray ×6Black is darker than Dark Bluish Gray.
Tile Round 1 x 1 QuarterDark Bluish Gray ×12Black ×14Dark Bluish Gray is lighter than Black.
Wedge Plate 3 x 2 LeftBlack ×2Dark Bluish Gray ×1Black is darker than Dark Bluish Gray.
Wedge Plate 3 x 2 RightBlack ×2Dark Bluish Gray ×1Black is darker than Dark Bluish Gray.
Wedge Plate 6 x 4 LeftDark Bluish Gray ×3Black ×3Dark Bluish Gray is lighter than Black.
Wedge Plate 6 x 4 RightDark Bluish Gray ×3Black ×3Dark Bluish Gray is lighter than Black.
Disc, Large, Set for 21351-1Bright Light YellowPart 109597Element 6501564×1
Rock
1 piece
Rock 1 x 1 Crystal 5 PointTrans-Bright GreenPart 30385Element 6507862 or 6170292×1
Stickers
1 piece
Sticker Sheet for Set 21351-1[No Color/Any Color]Part 10108246Element 6483632×1
Tools
1 piece
Brick and Axle Separator v2.0OrangePart 96874Element 6240515 or 4654448×1
Minifigures
8 figures
Skeleton, Standard Face, Bent Arms (78132 Torso)Minifigure, checked as a whole figure×1
Jack Skellington, LongMinifigure, checked as a whole figure×1
SallyMinifigure, checked as a whole figure×1
LockMinifigure, checked as a whole figure×1
ShockMinifigure, checked as a whole figure×1
BarrelMinifigure, checked as a whole figure×1
Mayor of Halloween TownMinifigure, checked as a whole figure×1
Santa Claus, 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.