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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.

Cargo Plane

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7734 Cargo Plane

451 pieces in 131 part and color combinations, plus 3 minifigures.

The official piece count includes the 12 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.

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Piece checklist

White 113 pieces

  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×11
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×8
  • Brick 1 x 8 White Part 3008 Element 6550134 or 300801 ×10
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×2
  • Brick 2 x 6 White Part 2456 Element 6552122 or 4249698 ×6
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top White Part 6091 Element 6285777 or 609101 ×8
  • Brick Sloped 45° 2 x 2 with Aircraft Multiple Flight Controls Print White Part 3039pr0013 Element 6032098 or 6016723 ×1
  • Brick Sloped 45° 2 x 2 with Green Radar, Green/Red Buttons and Disk Slot Print White Part 3039pr0002 Element 4195659 ×1
  • Brick Sloped 45° 2 x 2 with Radar Screen Print White Part 3039pr0005 Element 4261941 or 82024 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] White Part 3660 Element 366001 ×5
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 ×2
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×10
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×2
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) White Part 3794a ×4
  • Tail 14 x 2 x 8 White Part 54094 Element 6150280 or 4521912 ×1
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×6
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×3
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove White Part 2412b Element 6601902 or 241201 ×5
  • Wedge Plate 3 x 6 Cut Corners White Part 2419 Element 6552090 or 241901 ×1
  • Wedge Plate 4 x 2 Left White Part 41770 Element 6552119 or 4161326 ×4
  • Wedge Plate 4 x 2 Right White Part 41769 Element 6552118 or 4160857 ×4
  • Wheel 8 x 6 White Part 4624 Element 462401 ×14

Light Bluish Gray 81 pieces

  • Antenna 1 x 4 with Rounded Top Light Bluish Gray Part 3957a ×1
  • Bar 7 x 3 with Double Clips (Ladder) [Straight Clips] Light Bluish Gray Part 6020 Element 4275673 ×1
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×3
  • Brick Curved 2 x 4 x 1 1/3 Light Bluish Gray Part 6081 Element 4260409 ×4
  • Lever Small Base with Black Lever Light Bluish Gray Part 298c02 Element 4221775 1 spare in the box ×1
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×2
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×1
  • Plate 1 x 8 Light Bluish Gray Part 3460 Element 4211425 ×1
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×1
  • Plate 2 x 8 Light Bluish Gray Part 3034 Element 4211406 ×9
  • Plate 4 x 6 Light Bluish Gray Part 3032 Element 4211404 ×1
  • Plate 4 x 8 Light Bluish Gray Part 3035 Element 4211407 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Bluish Gray Part 2654 Element 4278273 or 4276273 ×1
  • Plate Special 1 x 2 [Side Handle Closed Ends] Light Bluish Gray Part 48336 Element 4244627 ×1
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Light Bluish Gray Part 2444 Element 4211359 or 2444194 ×8
  • Plate Special 2 x 2 with Towball Socket, Short, 4 Slots Light Bluish Gray Part 3730 Element 4272037 or 4211447 ×2
  • Steering Stand 1 x 2 with Black Steering Wheel Light Bluish Gray Part 3829c01 Element 4226995 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×1
  • Technic Brick 6 x 8 with 4 x 6 Opening Light Bluish Gray Part 32532 Element 6421513 or 4211848 ×1
  • Technic Pin Connector Plate with One Hole (Single on Bottom) Light Bluish Gray Part 32529 Element 4211828 or 4162945 ×2
  • Technic Pin with Dual Wheels Holder Light Bluish Gray Part 61483 Element 6331440 or 4519013 ×1
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×8
  • Tile 1 x 6 with Groove Light Bluish Gray Part 6636 Element 4211549 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×4
  • Wedge Plate 6 x 12 Left Light Bluish Gray Part 30355 Element 6535639 or 4211616 ×1
  • Wedge Plate 6 x 12 Right Light Bluish Gray Part 30356 Element 4211617 ×1
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin Light Bluish Gray Part 6014b Element 4211764 ×4
  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×8
  • Wheel Holder 2 x 2 Thin with Split Wheel Clip Pins Light Bluish Gray Part 4870 Element 6510631 or 6296797 ×6
  • Wing Plate 20 x 56 with 6 x 10 Opening Light Bluish Gray Part 54093 Element 4286236 ×1

Black 78 pieces

  • Bar 1L with Clip Black Part 48729a Element 4272218 ×2
  • Brick 1 x 6 Black Part 3009 Element 300926 ×3
  • Equipment Radio [Extended Handle, Compact Speaker Grille] Black Part 3962b Element 396226 ×1
  • Plate 6 x 10 Black Part 3033 Element 303326 ×1
  • Plate Special 1 x 2 with Clips Horizontal [Thick U-Clips] Black Part 60470a Element 4537901 ×1
  • Plate Special 1 x 2 with Long Towball Black Part 2508 Element 4274405 or 250826 ×2
  • Plate Special 2 x 2 with Wheels Holder Wide Black Part 6157 Element 615726 ×2
  • Propeller 3 Blade 9 Diameter Black Part 30332 Element 4142731 ×4
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 3 spares in the box ×34
  • Tyre 14 x 4 Smooth Small Single Black Part 3139 Element 313926 ×14
  • Tyre 17.5 x 6 with Shallow Staggered Treads Black Part 51011 Element 4515290 or 4239237 ×8
  • Tyre 21 x 12 with Offset Tread Small Wide Black Part 6015 Element 601526 ×4
  • Wing, Tail 4 x 1 x 3 Black Part 2340 Element 6591863 or 4651541 ×2

Dark Bluish Gray 76 pieces

  • Aircraft Fuselage Curved Forward 8 x 16 Bottom Dark Bluish Gray Part 54090 Element 6035528 or 4521906 ×1
  • Brick 1 x 8 Dark Bluish Gray Part 3008 Element 4211099 ×2
  • Brick Curved 3 x 1 No Studs Dark Bluish Gray Part 50950 Element 4246896 ×10
  • Brick Curved Inverted 8 x 8 x 2 Double Dark Bluish Gray Part 54091 Element 6035536 or 4519003 ×3
  • Brick Sloped Inverted 45° 2 x 1 Dark Bluish Gray Part 3665 Element 4211096 ×4
  • Brick Special 1 x 2 with Handle Dark Bluish Gray Part 30236 Element 4211128 ×1
  • Brick Special 2 x 2 with Pin and Axle Hole Dark Bluish Gray Part 6232 Element 6408023 or 4211046 ×4
  • Brick Special 2 x 4 - 1 x 4 with 2 Recessed Studs and Thick Side Arches Dark Bluish Gray Part 52038 Element 4264898 ×2
  • Brick Wedged, Curved 6 x 2 Left, Inner Ridges Dark Bluish Gray Part 41748 Element 6063681 or 4210772 ×2
  • Brick Wedged, Curved 6 x 2 Right, Inner Ridges Dark Bluish Gray Part 41747 Element 6063685 or 4210771 ×2
  • Container Box 2 x 2 x 2 - Top Opening Dark Bluish Gray Part 61780 Element 4520307 ×2
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×2
  • Plate 2 x 2 Corner Dark Bluish Gray Part 2420 Element 4210635 ×8
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×1
  • Plate 6 x 8 Dark Bluish Gray Part 3036 Element 4210794 ×3
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×3
  • Technic Beam 1 x 5 Thick Dark Bluish Gray Part 32316 Element 32316199 or 4210686 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Dark Bluish Gray Part 32064b ×1
  • Tile 1 x 4 with Groove Dark Bluish Gray Part 2431 Element 4211053 ×7
  • Tile 1 x 8 with Groove Dark Bluish Gray Part 4162 Element 5210651 or 4211008 ×10
  • Tile 2 x 2 with Groove Dark Bluish Gray Part 3068b Element 4211055 ×2
  • Wheel Arch, Mudguard 4 x 2 1/2 x 2 with 2 x 2 Plate Dark Bluish Gray Part 50745 Element 4260124 ×4

Green 47 pieces

  • Aircraft Fuselage Curved Aft Section with Dark Bluish Gray Base Green Part 54701c02 Element 6035925 or 4521953 ×1
  • Aircraft Fuselage Curved Forward 8 x 16 x 5 with Trans-Brown Glass Green Part 54092c01 Element 4521957 ×1
  • Brick Curved 4 x 4 x 2 with Holes Green Part 61487 Element 6035526 or 4519012 ×8
  • Brick Curved 8 x 8 x 2 Double Green Part 54095 Element 4519004 ×2
  • Brick Wedged, Curved 6 x 4 Triple Green Part 43712 Element 4655332 or 4522124 ×4
  • Plate 1 x 2 Green Part 3023 Element 302328 ×10
  • Plate 1 x 4 Green Part 3710 Element 371028 ×5
  • Plate 1 x 8 Green Part 3460 Element 346028 ×7
  • Plate 2 x 4 Green Part 3020 Element 302028 ×2
  • Plate 2 x 8 Green Part 3034 Element 303428 ×4
  • Tile 1 x 4 with Groove Green Part 2431 Element 243128 ×3

Yellow 20 pieces

  • Bar 1 x 8 x 2 Yellow Part 2486 Element 4189225 or 4106812 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Yellow Part 3040b Element 4121965 or 304024 ×2
  • Brick Wedged, Curved Triple 4 x 4 x 2/3, 2 Studs Yellow Part 45677 Element 6492532 or 4193073 ×1
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×1
  • Plate 1 x 6 Yellow Part 3666 Element 366624 ×3
  • Plate 1 x 8 Yellow Part 3460 Element 346024 ×2
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×3
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Yellow Part 3794a ×2
  • Technic Brick 6 x 8 with 4 x 6 Opening Yellow Part 32532 Element 4162899 or 3253224 ×2
  • Tile 1 x 8 with Groove Yellow Part 4162 Element 6388482 or 4189400 ×2

Red 11 pieces

  • Brick 2 x 4 Red Part 3001 Element 300121 ×4
  • Equipment Cup / Mug [Plain] Red Part 3899 Element 389921 ×1
  • Panel 1 x 4 x 1 with Rounded Corners [Thick Wall] Red Part 43337 Element 4546878 or 4247100 ×1
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×3
  • Plate 2 x 6 Red Part 3795 Element 379521 ×2

Reddish Brown 7 pieces

  • Brick 2 x 2 Reddish Brown Part 3003 Element 4211210 ×2
  • Seat / Chair 2 x 2 Reddish Brown Part 4079 Element 4211206 ×3
  • Tile 2 x 2 with Groove Reddish Brown Part 3068b Element 4271949 or 4264030 ×2

Tan 7 pieces

  • Brick 2 x 2 Tan Part 3003 Element 4114306 or 300305 ×2
  • Plate 1 x 4 Tan Part 3710 Element 4113233 or 371005 ×2
  • Plate 4 x 6 Tan Part 3032 Element 4114001 ×1
  • Tile 2 x 2 with Groove Tan Part 3068b Element 4185177 or 4114002 ×2

Trans-Red 3 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 2 spares in the box ×3

Blue 2 pieces

  • Plate 2 x 10 Blue Part 3832 Element 383223 ×1
  • Technic Plate 2 x 4 [3 Holes] Blue Part 3709 Element 370923 ×1

Trans-Clear 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Clear Part 6141 Element 6514052 or 6240030 1 spare in the box ×2

Trans-Orange 2 pieces

  • Cone 1 x 1 [No Top Groove] Trans-Orange Part 4589 Element 4221195 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 1 spare in the box ×1

Trans-Green 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 1 spare in the box ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 7734-1 [No Color/Any Color] Part 61981 Element 4520875 ×1

Minifigures 3 figures

  • Pilot, Blue Jacket with Plane Logo and Blue Tie, Blue Hat Minifigure, checked as a whole figure ×1
  • Ground Crew, Orange Jacket with Zipper and Reflective Stripes, Blue Legs, Blue Cap, Glasses Minifigure, checked as a whole figure ×1
  • Ground Crew, Orange Jacket with Zipper and Reflective Stripes, Blue Legs, Blue Cap, Stubble 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.