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LEGO Missing Piece Checker

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

60466 Yellow Bulldozer

669 pieces in 180 part and color combinations, plus 3 minifigures.

The official piece count includes the 13 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.

Every bag and the box. Shake out each bag, check its corners and seams, and look inside the empty box.
Inside what you have built. Small pieces lodge inside tubes, under plates and between studs. Turn the model over and look.
The last few steps. Compare each recent step with its parts callout. A piece used in the wrong place earlier leaves you one short later.
Look-alike colors. 2 parts in this set come in two colors that are easy to mix up; they are listed below.
The spare pieces. This set comes with 23 spare pieces, marked on each row of the checklist. One may be the piece you need.
The floor and your building area. Check under furniture, the chair and the edges of your building surface.

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.

Plate 1 x 1 Red ×2 Trans-Red ×4 Trans-Red is see-through: hold the piece up to a light.
Plate 2 x 10 Black ×1 Dark Bluish Gray ×2 Black is darker than Dark Bluish Gray.

Piece checklist

Technic Special 109 pieces

Gearbox 4 x 4 x 1 2/3 with 1 x 2 Cutouts, Pin Holes Black Part 6585 Element 6169982 or 4500902 ×1
Technic Link Tread with Beveled Edge Black Part 15379 Element 6047885 4 spares in the box ×104
Technic Disc 3 x 3 Dark Bluish Gray Part 2723 Element 6545234 ×4

Technic Pins 75 pieces

Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 1 spare in the box ×37
Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Blue Part 42924 Element 6299413 ×14
Technic Pin Long 3l with Stop and Hole Light Bluish Gray Part 77765 Element 6338962 ×4
Technic Pin 1/2 with Friction Red Part 89678 Element 6378120 1 spare in the box ×16
Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×4

Technic Bricks 31 pieces

Technic Brick 1 x 16 [15 Pin Holes] Black Part 3703 Element 370326 ×4
Technic Brick 1 x 2 [2 Pin Holes] Black Part 32000 Element 3200026 ×6
Technic Brick 1 x 4 [3 Pin Holes] Black Part 3701 Element 370126 ×4
Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×4
Technic Brick 1 x 6 [5 Pin Holes] Dark Bluish Gray Part 3894 Element 4210917 or 3894199 ×6
Technic Brick 4 x 4 with 2 x 2 Opening Light Bluish Gray Part 32324 Element 4211640 ×1
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Light Bluish Gray Part 73109 Element 6326478 ×3
Technic Brick 1 x 4 [3 Pin Holes] Red Part 3701 Element 370121 ×2
Technic Brick 1 x 2 [1 Pin Hole] Tan Part 3700 Element 4205107 or 370005 ×1

Tiles 29 pieces

Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×2
Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×2
Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×4
Tile 1 x 1 with Groove Bright Light Orange Part 3070b Element 6065504 1 spare in the box ×2
Tile 1 x 2 with Groove Bright Light Orange Part 3069b Element 4622062 ×6
Tile 2 x 4 with Groove Bright Light Orange Part 87079 Element 4621543 ×1
Tile 1 x 3 Dark Bluish Gray Part 63864 Element 4568734 ×2
Tile 2 x 4 with Groove Dark Bluish Gray Part 87079 Element 4560184 ×4
Tile 1 x 1 with Red Danger Stripes Print White Part 3070bpr9909 Element 6493199 1 spare in the box ×6

Bricks Curved 28 pieces

Brick Arch 1 x 6 Raised Arch Black Part 92950 Element 4620763 ×1
Brick Curved 3 x 1 No Studs Black Part 50950 Element 4251161 ×4
Brick Curved Inverted 4 x 1 Black Part 13547 Element 6039869 ×2
Brick Curved 1 x 3 x 2 Inverted [Inside Bow] Bright Light Orange Part 18653 Element 6172370 ×4
Brick Curved 2 x 4 x 2/3 No Studs with Black Elephant Head Print Bright Light Orange Part 88930pr0035 Element 6520697 ×1
Brick Curved 2 x 2, Two Top Studs Dark Bluish Gray Part 30165 Element 4211093 ×10
Brick Curved 2 x 6 Inverted Dark Bluish Gray Part 6806 Element 6545179 ×4
Brick Curved, 3 x 1 with 1/3 Inverted Cutout Dark Bluish Gray Part 70681 Element 6388127 ×2

Technic Connectors 27 pieces

Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×8
Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 ×4
Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Blue Part 42195 Element 6488702 ×1
Technic Pin Connector Round 1L [Beam] Blue Part 18654 Element 6392879 1 spare in the box ×2
Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Dark Bluish Gray Part 32530 Element 4210763 ×4
Technic Pin Connector Round [Slotted] Flat Silver Part 62462 Element 6245499 or 6054858 ×2
Technic Pin Connector Hub with 3L Axle Light Bluish Gray Part 5713 Element 6484902 ×2
Technic Axle Connector Smooth [with x Hole + Orientation] Red Part 59443 Element 4513174 ×1
Technic Pin Connector Round [Slotted] White Part 62462 Element 6550164 or 6173116 ×3

Bricks Special 24 pieces

Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×6
Brick Special 2 x 2 with 2 Pins and Axle Hole Dark Bluish Gray Part 30000 Element 6405646 or 4211024 ×2
Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Light Bluish Gray Part 32952 Element 6225242 ×4
Brick Special 1 x 2 with Grille Light Bluish Gray Part 2877 Element 4211383 ×1
Brick Special 1 x 4 with Masonry Brick Profile Medium Nougat Part 15533 Element 6055309 ×4
Bracket 3 x 2 x 1 1/3 with Bottom Stud Holder Red Part 73562 Element 6395370 ×1
Brick Special 1 x 4 with 4 Studs on One Side Reddish Brown Part 30414 Element 6153594 ×4
Brick Special 1 x 2 with 2 Studs on 1 Side White Part 11211 Element 6550150 or 6058177 ×2

Wheels and Tyres 19 pieces

Technic Wedge Belt Wheel Tire Black Part 2815 Element 6028041 or 281526 ×8
Technic Wedge Belt Wheel [aka Pulley] Flat Silver Part 4185 Element 6533241 ×9
Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×2

Technic Axles 17 pieces

Technic Axle 4 Black Part 3705 Element 370526 ×1
Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×5
Technic Axle 2 Notched Red Part 32062 Element 4142865 ×5
Technic Axle 8 Red Part 3707 Element 6130004 ×2
Technic Axle 3 Yellow Part 4519 Element 6130007 ×4

Technic Beams 12 pieces

Technic Beam 1 x 11 Thick Black Part 32525 Element 6029578 or 4534909 ×2
Technic Beam 1 x 9 Thick Black Part 40490 Element 4645732 or 4542788 ×4
Technic Beam 3 x 5 L-Shape Thick Black Part 32526 Element 4142823 or 3252626 ×2
Technic Beam 1 x 5 Thick Light Bluish Gray Part 32316 Element 4211651 ×2
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Red Part 60483 Element 6390264 ×2

Bricks Wedged 11 pieces

Brick Wedged, Curved 3 x 4 x 2/3 Cutout Black Part 11291 Element 6179660 or 6052851 ×2
Brick Wedged, Curved Triple 4 x 4 x 2/3, 2 Studs Bright Light Orange Part 45677 Element 6490805 or 6178466 ×1
Brick Wedged, Sloped 2 x 5 Left Bright Light Orange Part 3504 Element 6545214 ×2
Brick Wedged, Sloped 2 x 5 Right Bright Light Orange Part 3505 Element 6545213 ×2
Brick Wedged, Sloped 45° 2 x 2 Corner Bright Light Orange Part 13548 Element 6484946 ×2
Brick Wedged, Sloped 2 x 5 Left Dark Bluish Gray Part 3504 Element 6431186 ×1
Brick Wedged, Sloped 2 x 5 Right Dark Bluish Gray Part 3505 Element 6431187 ×1

Bars, Ladders and Fences 10 pieces

Cylinder 1 x 5 1/2 with Handle (Friction Cylinder) Black Part 87617 Element 6195916 or 4569407 ×4
Plate Special 1 x 6 with Train Wagon End Fence Black Part 6583 Element 6271649 or 658326 ×2
Bar 5L with Handle (Friction Ram) Light Bluish Gray Part 87618 Element 4565433 ×4

Plates Round Curved and Dishes 10 pieces

Plate Round 1 x 1 with Open Stud Black Part 85861 Element 6168646 or 6100627 1 spare in the box ×4
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×4
Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×2

Technic Bushes 10 pieces

Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced White Part 32123b Element 6634562 or 6360263 1 spare in the box ×10

Tiles Round and Curved 10 pieces

Tile Round 2 x 2 with Bottom Stud Holder Dark Bluish Gray Part 14769 Element 6056296 or 4620079 ×2
Tile Round 1 x 1 Light Bluish Gray Part 98138 Element 6284071 or 4650260 1 spare in the box ×2
Tile Round 1 x 1 Tan Part 98138 Element 6284573 or 6139649 1 spare in the box ×4
Tile Round 1 x 1 Trans-Clear Part 98138 Element 6514191 or 6274738 1 spare in the box ×2

Tiles Special 10 pieces

Tile Special 1 x 2 with Handle Black Part 2432 Element 243226 ×3
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Black Part 99563 Element 6156991 ×2
Tile Special Round 2 x 2 with Hole Black Part 15535 Element 6143850 ×1
Tile Special Round 1 x 1 with Hollow Bar Dark Bluish Gray Part 20482 Element 6271752 1 spare in the box ×2
Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×1
Tile Special 2 x 2 with Bar, Hollow Stud with Stop Ring (Flag Pole) Light Bluish Gray Part 98549 Element 6170708 or 6003098 ×1

Panels 6 pieces

Panel 1 x 1 x 1 Corner Black Part 6231 Element 4106347 or 4101709 ×6

Technic Steering, Suspension and Engine 6 pieces

Technic Crank Disc Light Bluish Gray Part 4368 Element 6452845 ×3
Technic Piston Yellow Part 4369 Element 6452846 ×3

Technic Gears 4 pieces

Technic Gear 24 Tooth [New Style with Single Axle Hole] Dark Bluish Gray Part 3648b Element 6133119 or 4514558 ×2
Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×2

Windows and Doors 4 pieces

Window Pane Latticed 1 x 4 x 6 (Chain Link FEnce) Black Part 5032 Element 6545265 ×3
Door Frame 1 x 4 x 6 Type 2 Dark Bluish Gray Part 60596 Element 6262942 or 4535833 ×1

Bricks Round and Cones 3 pieces

Brick Round 2 x 2, Pin Holes Black Part 17485 Element 6536593 or 6195273 ×1
Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end Flat Silver Part 25214 Element 6335563 ×1
Dome 1 x 1 x 2/3 Trans-Orange Part 6908 Element 6509776 1 spare in the box ×1

Plates Wedged 2 pieces

Wedge Plate 2 x 2 Left Dark Bluish Gray Part 24299 Element 6143423 ×1
Wedge Plate 2 x 2 Right Dark Bluish Gray Part 24307 Element 6143417 ×1

Technic Beams Special 2 pieces

Technic Beam 2 x 3 Thick [90° Offset Centre Beam Hole] Dark Bluish Gray Part 3167 Element 6475314 ×2

Transportation - Sea and Air 2 pieces

Tail Shuttle Dark Bluish Gray Part 6239 Element 6429075 or 4500562 ×2

Windscreens and Fuselage 2 pieces

Windscreen 2 x 4 x 2 Vertical Trans-Clear Part 4594 Element 6507908 or 6240532 ×1
Windscreen 3 x 4 x 3 Trans-Clear Part 84954 Element 6514072 or 6491972 ×1

Flags, Banners and Signs 1 piece

Road Sign Clip-on 2.2 x 2.667 Triangular with Road Works Sign Print White Part 65676pr0001 Element 6520698 or 6343342 ×1

Minifig Accessories 1 piece

Equipment Radio [Extended Handle, Expanded Speaker Grille] Black Part 19220 Element 6170545 or 6100054 ×1

Minifig Shields, Weapons, & Tools 1 piece

Tool Screwdriver and Spanner / Wrench Flat Silver Part 4006 Element 6167576 ×1

Tools 1 piece

Brick and Axle Separator v2.0 Orange Part 96874 Element 6240515 or 4654448 ×1

Minifigures 3 figures

Construction Worker, Ted Brickle, Bright Light Blue Shirt, Reddish Brown Legs, Dark Orange Belt, Red Helmet Minifigure, checked as a whole figure ×1
Construction Worker, Reddish Orange Safety Jacket, Overalls, Red Helmet, Reddish Brown Hair Minifigure, checked as a whole figure ×1
Construction Worker, Reddish Orange Safety Jacket, Red Helmet Minifigure, 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.

Request a replacement from LEGO

Buy the piece

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.