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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

Checking

5524 Airport

606 pieces in 116 part and color combinations.

LEGO counts 607 pieces. This inventory comes from a separate parts catalog and lists 606; the two do not always count the same elements, so their totals differ. 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

White 142 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×10
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×2
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 Also in Trans-Clear ×57
  • Brick Sloped 45° 2 x 1 with Bottom Pin White Part 3040b Element 6552115 or 4121932 ×3
  • Brick Sloped 45° 2 x 2 White Part 3039 Element 6552103 or 303901 ×9
  • Brick Sloped 45° 2 x 2 Double Convex White Part 3045 Element 4233370 or 304501 ×9
  • Brick Special 1 x 1 with Headlight White Part 4070 Element 6548267 or 407001 ×1
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×2
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×3
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×9
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×8
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×2
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×1
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×6
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×3
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×2
  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] White Part 4085c Element 408501 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) White Part 3794a ×2
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×4
  • Tile Special 1 x 2 with Handle White Part 2432 Element 243201 ×2

Medium Blue 129 pieces

  • Brick Special 1 x 1 with Headlight Medium Blue Part 4070 Element 6070689 or 4598016 ×54
  • Plate 1 x 1 Medium Blue Part 3024 Element 4179826 ×8
  • Plate 1 x 2 Medium Blue Part 3023 Element 4179825 or 4165460 ×6
  • Plate 1 x 4 Medium Blue Part 3710 Element 4179828 ×4
  • Plate 1 x 6 Medium Blue Part 3666 Element 4179829 ×9
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Medium Blue Part 4032a Element 4183996 ×47
  • Tile 1 x 2 with Groove Medium Blue Part 3069b Element 4168345 ×1

Light Bluish Gray 124 pieces

  • Antenna 1 x 4 with Rounded Top Light Bluish Gray Part 3957a ×2
  • Brick 1 x 1 Light Bluish Gray Part 3005 Element 4211389 ×33
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×19
  • Brick 2 x 2 Corner Light Bluish Gray Part 2357 Element 4211349 ×3
  • Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets Light Bluish Gray Part 3963 Element 4223363 ×1
  • Hinge Brick 1 x 2 Base Light Bluish Gray Part 3937 Element 4211469 ×1
  • Hinge Brick 1 x 2 Top Plate Thin Light Bluish Gray Part 3938 Element 4211470 ×2
  • Panel 1 x 1 x 1 Corner Light Bluish Gray Part 6231 Element 4215513 ×4
  • Panel 1 x 2 x 1 [Square Corners] Light Bluish Gray Part 4865a Element 4211515 ×3
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 ×4
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×8
  • Plate 1 x 3 Light Bluish Gray Part 3623 Element 4211429 or 3623194 ×6
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×5
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×1
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×1
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×11
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×10
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×5
  • Plate 4 x 4 Light Bluish Gray Part 3031 Element 4243797 or 4211403 ×2
  • Plate Round 1 x 1 with Solid Stud Light Bluish Gray Part 6141 Element 4211525 1 spare in the box ×2
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×1

Dark Bluish Gray 74 pieces

  • Brick Round 1 x 1 Open Stud Dark Bluish Gray Part 3062b Element 4211090 ×8
  • Brick Round 2 x 2 with Axle Hole Dark Bluish Gray Part 3941 Element 4249139 ×2
  • Dish 2 x 2 Inverted [Radar] Dark Bluish Gray Part 4740 Element 4211010 ×2
  • Equipment Binoculars Dark Bluish Gray Part 30162 Element 4587887 or 4211051 ×4
  • Plate 8 x 8 Dark Bluish Gray Part 41539 Element 4210802 ×8
  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Dark Bluish Gray Part 6019 Element 4216973 ×2
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Dark Bluish Gray Part 3839b Element 4263176 ×2
  • Tail Shuttle - Small Dark Bluish Gray Part 44661 Element 4582820 or 4184299 ×1
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 ×8
  • Tile 2 x 2 with Groove Dark Bluish Gray Part 3068b Element 4211055 ×36
  • Tile Special 1 x 1 with Clip and Straight Tips Dark Bluish Gray Part 2555 Element 6031420 or 4211069 ×1

Trans-Dark Blue 36 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Dark Blue Part 3065 Element 6514264 or 6244906 ×24
  • Tile 1 x 1 with Groove Trans-Dark Blue Part 3070b Element 4541723 or 4218438 2 spares in the box ×12

Blue 19 pieces

  • Brick 1 x 1 Blue Part 3005 Element 300523 ×2
  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×1
  • Brick 1 x 4 Blue Part 3010 Element 301023 ×1
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×4
  • Plate 1 x 4 Blue Part 3710 Element 371023 ×2
  • Plate 1 x 8 Blue Part 3460 Element 346023 ×2
  • Plate Round 1 x 1 with Solid Stud Blue Part 6141 Element 614123 1 spare in the box ×4
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Blue Part 3794a ×1
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×1
  • Tile 2 x 2 with Groove Blue Part 3068b Element 306823 ×1

Red 19 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×2
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×1
  • Brick 1 x 4 Red Part 3010 Element 301021 ×1
  • Brick Round 2 x 2 with Axle Hole Red Part 3941 Element 614321 or 394121 ×1
  • Hinge Brick 1 x 2 Top Plate Thin Red Part 3938 Element 6534944 or 6078079 ×1
  • Panel 1 x 1 x 1 Corner Red Part 6231 Element 4190219 or 623121 ×2
  • Panel 1 x 2 x 1 [Square Corners] Red Part 4865a ×2
  • Plate 1 x 2 Red Part 3023 Element 302321 ×1
  • Plate 1 x 4 Red Part 3710 Element 371021 ×1
  • Plate 1 x 6 Red Part 3666 Element 366621 ×1
  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 1 spare in the box ×3
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Red Part 3794a ×1
  • Wedge Plate 4 x 2 Left Red Part 41770 Element 4161329 ×1
  • Wedge Plate 4 x 2 Right Red Part 41769 Element 4160866 ×1

Black 18 pieces

  • Bracket 1 x 2 - 1 x 4 [Square Corners] Black Part 2436 Element 4282746 or 243626 ×1
  • Brick 1 x 1 Black Part 3005 Element 300526 ×1
  • Brick 1 x 4 Black Part 3010 Element 301026 ×1
  • Brick Curved 2 x 2, Two Top Studs Black Part 30165 Element 4200023 or 4113231 ×1
  • Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder Black Part 30367b Element 4158779 ×1
  • Brick Sloped 2 x 2 No Studs, with 3 Side Pistons Raised Edges Black Part 30603 Element 4163524 ×1
  • Brick Special 1 x 1 with Studs on 2 Sides Black Part 47905 Element 4214559 ×1
  • Brick Special 1 x 4 with 4 Studs on One Side Black Part 30414 Element 4162443 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×3
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Black Part 3794a 1 spare in the box ×3
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×1

Green 10 pieces

  • Cone 1 x 1 [No Top Groove] Green Part 4589 Element 4188820 or 458928 ×4
  • Plate 4 x 4 Green Part 3031 Element 4243821 or 4113158 ×6

Trans-Brown 8 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Brown Part 3065 Element 6514267 or 6244909 ×1
  • Brick Curved 2 x 2 with Lip, No Studs Trans-Brown Part 30602 Element 6507872 or 6171717 ×1
  • Windscreen 5 x 2 x 1 2/3 Trans-Brown Part 6070 Element 4204624 ×6

Trans-Red 8 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Red Part 3065 Element 6514263 or 6244905 ×3
  • Tile 1 x 1 with Groove Trans-Red Part 3070b Element 6581817 or 6254248 1 spare in the box ×5

Reddish Brown 6 pieces

  • Plate Round 1 x 1 with Solid Stud Reddish Brown Part 6141 Element 4216581 1 spare in the box ×6

Yellow 6 pieces

  • Cone 1 x 1 [No Top Groove] Yellow Part 4589 Element 458924 ×1
  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 1 spare in the box ×3
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Yellow Part 3794a ×2

Trans-Clear 5 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Clear Part 3065 Element 6514262 or 6244904 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 Also in White ×3

Tan 1 piece

  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Tan Part 3794a Element 379405 ×1

Trans-Yellow 1 piece

  • Tile 1 x 1 with Groove Trans-Yellow Part 3070b Element 6636668 or 6088721 ×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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