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.
481 pieces in 175 part and color combinations, plus 4 minifigures.
The official piece count includes the 16 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 Axle 6RedPart 3706Element 6130002 or 4191526×3
Technic Pin 1/2 with FrictionRedPart 89678Element 63781201 spare in the box×2
Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes]RedPart 44874Element 6323573×1
Blue
13 pieces
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)BluePart 15573Element 6092582×1
Technic Axle Pin with Friction Ridges LengthwiseBluePart 43093Element 4309323 or 4206482×8
Technic Pin Long with Friction Ridges Lengthwise, 1 Center SlotBluePart 42924Element 6299413×4
Lime
7 pieces
Plate Special 1 x 2 Rounded with 2 Open StudsLimePart 35480Element 6264062×1
Technic Beam 1 x 2 Thick with Pin Hole and Axle HoleLimePart 60483Element 6344866 or 6307436×4
Tile 1 x 1 with GrooveLimePart 3070bElement 45372511 spare in the box×2
Yellow
5 pieces
Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper)YellowPart 34103Element 6228602×1
Technic Bush 1/2 Smooth with Axle Hole Semi-ReducedYellowPart 32123bElement 6271167 or 32123241 spare in the box×4
Flat Silver
4 pieces
Sports Ice SkateFlat SilverPart 93555Element 6088641 or 46181331 spare in the box×2
Tile Special 1 x 2 Grille with Bottom GrooveFlat SilverPart 2412bElement 4619636×2
Trans-Dark Pink
4 pieces
Dish 2 x 2 Inverted [Radar]Trans-Dark PinkPart 4740Element 6580376 or 6245302×2
Plate Round 1 x 1 with Solid StudTrans-Dark PinkPart 6141Element 6514060 or 62402301 spare in the box×2
Trans-Bright Green
3 pieces
Projectile, Spring Shooter Ammunition 8L BarTrans-Bright GreenPart 15303Element 6287551 or 6062599×3
Trans-Clear
3 pieces
Windscreen 7 x 4 x 2 Round with HandleTrans-ClearPart 92279Element 6514171 or 6245241×3
Dark Brown
2 pieces
Cone 1 x 1 [Top Groove]Dark BrownPart 59900Element 6512546×2
Pearl Titanium
2 pieces
Technic Cylinder 4 x 4 with Pin Holes and Centre Bar, Closed Sides on BarPearl TitaniumPart 41531Element 6074417×2
Reddish Brown
2 pieces
Bar 2L with Stop in CenterReddish BrownPart 78258Element 64510021 spare in the box×2
Trans-Dark Blue
2 pieces
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)Trans-Dark BluePart 54200Element 6245256 or 42443661 spare in the box×2
Bright Pink
1 piece
Plate 1 x 2Bright PinkPart 3023Element 4654128 or 4245303×1
Orange
1 piece
Brick and Axle Separator v2.0OrangePart 96874Element 6240515 or 4654448×1
[No Color/Any Color]
1 piece
Sticker Sheet for Set 75402-1[No Color/Any Color]Part 10111169Element 6524559×1
Minifigures
4 figures
Clone Pilot Odd BallMinifigure, checked as a whole figure×1
Clone Pilot JagMinifigure, checked as a whole figure×1
Clone Pilot, Open Helmet with Yellow and Red Markings, White LegsMinifigure, checked as a whole figure×1
Astromech Droid, R4-P44, Pearl Titanium printMinifigure, 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.