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.
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 Round 3 x 3 x 2 Recessed Center with 2 x 2 Studs and Axle HoleBlack ×1Dark Bluish Gray ×3Black is darker than Dark Bluish Gray.
Brick Sloped Inverted 33° 3 x 1 with Internal Stopper and No Front Stud ConnectionBlack ×1Dark Bluish Gray ×2Black is darker than Dark Bluish Gray.
Tile 1 x 1 with GrooveBlack ×2Dark Bluish Gray ×2Black is darker than Dark Bluish Gray.
Tile 2 x 3Black ×1Dark Bluish Gray ×1Black is darker than Dark Bluish Gray.
Tile Round 1 x 1RedPart 98138Element 6284574 or 60634451 spare in the box×2
Blue
8 pieces
Technic Pin Long with Friction Ridges Lengthwise, 1 Center SlotBluePart 42924Element 6299413×7
Tile 2 x 2 with GrooveBluePart 3068bElement 306823×1
Reddish Brown
8 pieces
Plate Special 1 x 2 with Handle on End [Closed Ends]Reddish BrownPart 60478Element 6102975×8
Yellow
7 pieces
Technic Axle 3YellowPart 4519Element 6130007×2
Technic Axle 5YellowPart 32073Element 6130008×4
Technic Brick 1 x 2 [1 Pin Hole]YellowPart 3700Element 370024×1
Sand Green
6 pieces
Bracket 1 x 2 - 2 x 2 InvertedSand GreenPart 99207Element 6526069×6
Bright Light Orange
4 pieces
Bracket 1 x 1 - 1 x 2 InvertedBright Light OrangePart 73825Element 6525908×2
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 SideBright Light OrangePart 22885Element 6523916×2
Dark Tan
2 pieces
Technic Axle 3 with StudDark TanPart 6587Element 6031821 or 6013821×2
Orange
2 pieces
Brick and Axle Separator v2.0OrangePart 96874Element 6240515 or 4654448×1
Technic Beam 3 x 3 T-Shape ThickOrangePart 60484Element 6528012 or 6305545×1
Dark Red
1 piece
Tile 1 x 1 with GrooveDark RedPart 3070bElement 4550169 or 41871961 spare in the box×1
Lime
1 piece
Technic Beam 1 x 5 ThickLimePart 32316Element 4661486 or 4571220×1
[No Color/Any Color]
1 piece
Sticker Sheet for Set 75429-1[No Color/Any Color]Part 10112216×1
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.