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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.

Airport Security Squad

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1475 Airport Security Squad

119 pieces in 77 part and color combinations, plus 2 minifigures.

The piece count includes the 9 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.

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Piece checklist

Plates 37 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×4
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate 1 x 8 Black Part 3460 Element 346026 ×1
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×1
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×2
  • Plate 1 x 8 Light Gray Part 3460 Element 346002 ×2
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×1
  • Plate 1 x 1 Red Part 3024 Element 302421 Also in Trans-Red ×2
  • Plate 1 x 10 Red Part 4477 Element 447721 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×4
  • Plate 1 x 3 Red Part 3623 Element 362321 ×2
  • Plate 1 x 6 Red Part 3666 Element 366621 ×2
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 1 x 1 Trans-Green Part 3024 Element 6513967 or 6252046 ×1
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 Also in Red ×1
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 1 x 8 Yellow Part 3460 Element 346024 ×3
  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×1
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×1

Bricks 13 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×2
  • Brick 1 x 2 Black Part 3004 Element 300426 ×1
  • Brick 1 x 1 Red Part 3005 Element 300521 ×4
  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×1
  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×4
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×1

Tiles 11 pieces

  • Tile 1 x 2 with Groove Light Gray Part 3069b Element 306902 ×2
  • Tile 1 x 8 with Groove Light Gray Part 4162 Element 416202 ×2
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Tile 1 x 1 with Groove Trans-Red Part 3070b Element 6581817 or 6254248 1 spare in the box ×1
  • Tile 1 x 2 with Red and Yellow Control Panel Print (Original) White Part 3069bpr0048 Element 4264367 or 81515 ×1
  • Tile 1 x 2 with Telemetry Panel Print White Part 3069bpr0043 Element 81575 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×2

Bars, Ladders and Fences 6 pieces

  • Lever Small Base with Yellow Lever Black Part 298c01 Element 74138 ×1
  • Bar 1 x 6 [Open Studs] Light Gray Part 4873 ×2
  • Bar 1 x 4 x 2 with Studs Red Part 4083 Element 6001207 or 4550383 ×1
  • Lever Small Base with Black Lever Red Part 298c02 Element 74335 ×2

Bricks Sloped 6 pieces

  • Brick Sloped 33° 3 x 1 Black Part 4286 Element 428626 ×1
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Black Part 3747a ×1
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×2
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Black Part 4871 Element 4188534 or 487126 ×1
  • Brick Sloped Inverted 45° 4 x 4 Double with 4 x 2 Recessed Black Part 4854 Element 4643321 or 4603490 ×1

Panels 6 pieces

  • Panel 1 x 2 x 2 [Solid Studs] Black Part 4864a Element 4113021 ×1
  • Panel 1 x 2 x 1 [Square Corners] Trans-Light Blue Part 4865a Element 4618924 or 4239181 ×4
  • Panel 1 x 2 x 2 [Solid Studs] Yellow Part 4864a Element 486424 ×1

Plates Special 6 pieces

  • Plate Special 2 x 2 with Wheel Holder Black Part 4488 Element 6092658 or 448826 ×1
  • Plate Special 3 x 2 with Rounded End, Hole Black Part 3176 Element 317676 or 317626 ×1
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Blue Part 3794a ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Yellow Part 3794a ×2

Plates Wedged 5 pieces

  • Wedge Plate 3 x 4 without Stud Notches Black Part 4859 ×1
  • Wedge Plate 3 x 4 without Stud Notches Red Part 4859 ×2
  • Wedge Plate 3 x 4 without Stud Notches Yellow Part 4859 Element 4181033 ×2

Bricks Wedged 4 pieces

  • Brick Wedged 3 x 4 [No Stud Notches] Black Part 2399 Element 4189285 or 239926 ×1
  • Brick Wedged, Sloped 4 x 4 Taper Black Part 4858 Element 4190702 or 4142912 ×1
  • Brick Wedged, Sloped Inverted 4 x 4 Triple [2 Connections between Front Studs] Black Part 4855 Element 4550004 or 4278249 ×2

Minifig Accessories 4 pieces

  • Equipment Radio [Compact Handle] Black Part 3962a ×1
  • Bag / Briefcase Light Gray Part 4449 Element 4154857 or 444902 ×1
  • Equipment Signal Paddle White Part 3900 Element 390001 ×2

Wheels and Tyres 4 pieces

  • Tyre 15 x 6 Offset Tread Small Black Part 3641 Element 4501046 or 364126 ×2
  • Wheel Centre Small with Stub Axles (Pulley Wheel) Trans-Clear Part 3464 ×2

Hinges, Arms and Turntables 3 pieces

  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×1
  • Hinge Brick 1 x 2 Top Plate Thin Black Part 3938 Element 393826 ×1
  • Hinge Vehicle Roof Holder 1 x 4 Black Part 4315 Element 4250225 or 431576 ×1

Plates Round Curved and Dishes 3 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×1

Tiles Special 3 pieces

  • Tile Special 2 x 2 with Top Pin Black Part 2460 Element 4258354 or 246026 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Red Part 2412b Element 241221 ×2

Transportation - Land 2 pieces

  • Vehicle Base, Motorcycle Chassis, Frame 3 x 6 x 3 Black Part 4480c01 ×1
  • Seat / Chair 2 x 2 Light Gray Part 4079 Element 407902 ×1

Transportation - Sea and Air 2 pieces

  • Propeller 4 Blade 5 Diameter with Rounded Ends, Open Hub Black Part 2479 Element 247926 ×1
  • Propeller 3 Blade Small Light Gray Part 2421 Element 242102 ×1

Windows and Doors 2 pieces

  • Door 1 x 3 x 2 Left Black Part 3189 Element 4194526 or 318926 ×1
  • Door 1 x 3 x 2 Right Black Part 3188 Element 4194525 or 318826 ×1

Windscreens and Fuselage 2 pieces

  • Motorcycle Windshield Trans-Clear Part 4483 ×1
  • Windscreen 6 x 4 x 2 Canopy Trans-Light Blue Part 4474 Element 3006642 ×1

Minifigures 2 figures

  • Man, White Jacket with Zipper, Blue Legs, White Helmet with Visor Minifigure, checked as a whole figure ×1
  • Man, White Shirt with Airplane, White Legs, Red Cap 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.

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