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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 Shuttle

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6399 Airport Shuttle

750 pieces in 171 part and color combinations, plus 9 minifigures.

LEGO counts 767 pieces. This inventory comes from a separate parts catalog and lists 786, including the 36 parts inside the minifigures; 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

Plates 208 pieces

  • Plate 1 x 3 Blue Part 3623 Element 362323 ×2
  • Plate 1 x 8 Blue Part 3460 Element 346023 ×1
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×1
  • Plate 1 x 3 Light Gray Part 3623 Element 362302 ×2
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×54
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×9
  • Plate 2 x 2 Corner Light Gray Part 2420 Element 242052 or 242002 ×2
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×2
  • Plate 1 x 10 Red Part 4477 Element 447721 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×8
  • Plate 1 x 3 Red Part 3623 Element 362321 ×2
  • Plate 1 x 4 Red Part 3710 Element 371021 ×11
  • Plate 1 x 6 Red Part 3666 Element 366621 ×4
  • Plate 1 x 8 Red Part 3460 Element 346021 ×10
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 2 x 2 Corner Red Part 2420 Element 242071 or 242021 ×8
  • Plate 2 x 6 Red Part 3795 Element 379521 ×2
  • Plate 2 x 8 Red Part 3034 Element 303421 ×3
  • Plate 4 x 4 Red Part 3031 Element 4243814 or 303121 ×1
  • Plate 4 x 8 Red Part 3035 Element 303521 ×2
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 ×4
  • Plate 1 x 1 Trans-Yellow Part 3024 Element 6513966 or 6252045 Also in Yellow ×4
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 ×4
  • Plate 1 x 10 White Part 4477 Element 6552113 or 6550148 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×8
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×5
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×13
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×12
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×5
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×2
  • Plate 2 x 2 Corner White Part 2420 Element 6548254 or 242051 ×2
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×1
  • Plate 4 x 12 White Part 3029 Element 4168072 or 302901 ×1
  • Plate 4 x 4 White Part 3031 Element 6552127 or 4243812 ×1
  • Plate 4 x 6 White Part 3032 Element 303201 ×4
  • Plate 6 x 24 White Part 3026 Element 4652480 or 4177842 ×1
  • Plate 6 x 6 White Part 3958 Element 6552116 or 4144012 ×2
  • Plate 1 x 1 Yellow Part 3024 Element 302424 Also in Trans-Yellow ×6
  • Plate 1 x 8 Yellow Part 3460 Element 346024 ×1
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×1

Bricks 134 pieces

  • Brick 1 x 16 Black Part 2465 Element 246576 or 246526 ×4
  • Brick 1 x 2 Black Part 3004 Element 300426 ×23
  • Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges Black Part 2454a ×10
  • Brick 1 x 3 Black Part 3622 Element 362226 ×2
  • Brick 2 x 10 Black Part 3006 Element 4617860 or 300626 ×5
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×6
  • Brick 2 x 3 Black Part 3002 Element 300226 ×4
  • Brick 2 x 4 Black Part 3001 Element 300126 ×1
  • Brick 2 x 6 Black Part 2456 Element 4181144 or 245626 ×1
  • Brick 2 x 8 Black Part 3007 Element 6037390 or 300726 ×2
  • Brick 1 x 2 Light Gray Part 3004 Element 300402 ×10
  • Brick 1 x 1 Red Part 3005 Element 300521 ×8
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×6
  • Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges Red Part 2454a ×4
  • Brick 1 x 4 Red Part 3010 Element 301021 ×2
  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×4
  • Brick 2 x 4 Red Part 3001 Element 300121 ×1
  • Brick 2 x 6 Red Part 2456 Element 4181138 or 245621 ×1
  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×10
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×8
  • Brick 1 x 3 White Part 3622 Element 6550143 or 362201 ×2
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×9
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×1
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×6
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×3
  • Brick 1 x 8 Yellow Part 3008 Element 300824 ×1

Bricks Sloped 80 pieces

  • Brick Sloped 45° 2 x 1 with Bottom Pin Black Part 3040b Element 4121966 or 304026 ×2
  • Brick Sloped 45° 2 x 4 Black Part 3037 Element 303726 ×2
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Black Part 4460a ×2
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Black Part 3747a ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×25
  • Brick Sloped 45° 2 x 2 with White Phone Print Red Part 3039pr0012 Element 81511 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×7
  • Brick Sloped 45° 2 x 1 with Bottom Pin White Part 3040b Element 6552115 or 4121932 ×25
  • Brick Sloped Inverted 34° 3 x 1 without Internal Stopper White Part 4287a ×2
  • Brick Sloped Inverted 45° 2 x 1 White Part 3665 Element 6552106 or 366501 ×5
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] White Part 3660 Element 366001 ×1
  • Brick Sloped 33° 3 x 1 Yellow Part 4286 Element 428624 ×2
  • Brick Sloped 45° 3 x 4 Double / 33° Yellow Part 4861 Element 4258405 or 486124 ×1
  • Brick Sloped Inverted 45° 2 x 1 Yellow Part 3665 Element 366524 ×3

Transportation - Land 45 pieces

  • Seat / Chair 2 x 2 Black Part 4079 ×5
  • Vehicle Base, Monorail 4 x 20 Black Part 2687 ×2
  • Wheel Holder, Monorail Bogey with Bogey Bracket/Pivot Black Part 2686c01 ×2
  • Vehicle Track, Monorail Curve Long Light Gray Part 2672 ×8
  • Vehicle Track, Monorail Monoswitch Light Gray Part 2774 ×2
  • Vehicle Track, Monorail Ramp Lower Part Light Gray Part 2677 ×2
  • Vehicle Track, Monorail Straight Short Light Gray Part 2670 ×8
  • Vehicle Track, Monorail Track Ramp Upper Part Light Gray Part 2678 ×2
  • Vehicle Track, Monorail Track Straight Long Light Gray Part 2671 ×5
  • Seat / Chair 2 x 2 Red Part 4079 ×2
  • Seat / Chair 2 x 2 Yellow Part 4079 ×7

Plants & Trees 42 pieces

  • Plant, Flower Stem Green Part 3741 Element 6277589 or 374128 ×10
  • Plant, Fruit Tree Green Part 3470 Element 347028 ×2
  • Plant, Flower - Small Red Part 3742 ×24
  • Plant, Flower - Small Yellow Part 3742 2 spares in the box ×6

Tiles 38 pieces

  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×4
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×2
  • Tile 1 x 1 with Groove Blue Part 3070b Element 4206330 or 307073 ×7
  • Tile 1 x 1 with Groove Light Gray Part 3070b Element 307052 or 307002 ×3
  • Tile 2 x 2 with Groove Light Gray Part 3068b Element 306802 ×2
  • Tile 1 x 1 with Groove Red Part 3070b Element 307021 ×4
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×3
  • Tile 1 x 8 with Groove Red Part 4162 Element 416221 ×2
  • Tile 2 x 2 with Black Wide Arrow Print Red Part 3068bpr0050 Element 4188134 ×2
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2
  • Tile 1 x 2 with Telemetry Panel Print White Part 3069bpr0043 Element 81575 ×2
  • Tile 1 x 2 with Long Black Arrow Print Yellow Part 3069bpr0035 Element 81148 ×3

Plates Round Curved and Dishes 36 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Gray Part 4032a Element 403202 ×2
  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 Also in Trans-Red ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 ×4
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 Also in Red ×4
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 Also in Yellow ×3
  • Dish 2 x 2 Inverted [Radar] White Part 4740 Element 6601845 or 474001 ×7
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 ×8
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×2
  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 Also in Trans-Yellow ×4

Windows and Doors 30 pieces

  • Window 1 x 4 x 3 Train with All Studs Hollow Red Part 4033 Element 4100371 ×12
  • Glass for Window 1 x 2 x 2 Plane Trans-Clear Part 4862 Element 4174748 or 486240 ×2
  • Glass 2 x 3 for Hinge Car Roof 4 x 4 Sunroof with Ridges Trans-Light Blue Part 2348b Element 234842 ×2
  • Glass for Window 1 x 4 x 3 Trans-Light Blue Part 3855 Element 4242117 or 4203329 ×12
  • Window 1 x 2 x 2 Plane, Solid Studs White Part 2377 Element 4194517 or 237701 ×2

Panels 21 pieces

  • Panel 1 x 2 x 3 - Solid Studs Black Part 2362a Element 4113027 ×4
  • Panel 1 x 2 x 1 [Square Corners] Red Part 4865a ×4
  • Panel 1 x 2 x 3 - Solid Studs Red Part 2362a Element 4113024 ×1
  • Panel 1 x 2 x 2 [Solid Studs] Trans-Light Blue Part 4864a Element 4113030 ×4
  • Panel 6 x 6 x 9 Curved Top White Part 2572 ×2
  • Panel 1 x 2 x 3 - Solid Studs Yellow Part 2362a ×4
  • Panel 3 x 4 x 6 Curved Top Yellow Part 2571 ×2

Supports, Girders and Cranes 14 pieces

  • Support 4 x 4 x 5 Stanchion, Tall Studs Black Part 2680 Element 268026 ×2
  • Support 6 x 6 x 10 Stanchion Black Part 2681 Element 268126 ×10
  • Support Round 2 x 2 x 2 Stand with Reach-Through Center Hole Black Part 3940b Element 394026 ×2

Bricks Round and Cones 13 pieces

  • Cone 1 x 1 [No Top Groove] Black Part 4589 Element 4518219 or 458926 ×3
  • Brick Round 1 x 1 Open Stud Red Part 3062b Element 306221 ×4
  • Cone 1 x 1 [No Top Groove] Trans-Yellow Part 4589 Element 618844 ×4
  • Brick Round 2 x 2 with Axle Hole Yellow Part 3941 Element 614324 or 394124 ×2

Bars, Ladders and Fences 12 pieces

  • Bar 6.6L with Stop Ring [Umbrella Stand] Red Part 4095 Element 4143125 or 409571 ×4
  • Fence Lattice 1 x 4 x 1 Red Part 3633 Element 4187280 or 363321 ×5
  • Bar 1 x 8 x 2 Yellow Part 2486 Element 4189225 or 4106812 ×3

Hinges, Arms and Turntables 12 pieces

  • Hinge Tile 1 x 4 Red Part 4625 Element 4240360 or 462521 ×5
  • Hinge Vehicle Roof 4 x 4 Red Part 4213 Element 4179277 or 421321 ×3
  • Hinge Vehicle Roof 4 x 4 Sunroof with Ledges Red Part 2349b Element 234921 ×2
  • Hinge Vehicle Roof Holder 1 x 4 Red Part 4315 Element 4179280 or 431521 ×2

Plates Special 12 pieces

  • Plate Special 3 x 2 with Rounded End, Hole Light Gray Part 3176 Element 317652 or 317602 ×4
  • Bracket 1 x 2 - 1 x 4 [Square Corners] Red Part 2436 Element 4282742 or 243621 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Red Part 3794a ×4
  • Plate Special 3 x 2 with Rounded End, Hole White Part 3176 Element 6609537 or 6089696 ×2

Tiles Special 12 pieces

  • Tile Special 1 x 2 Grille without Bottom Groove White Part 2412a ×12

Bricks Special 9 pieces

  • Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×8
  • Brick Special 1 x 2 with Cable Holding Square Cutout Red Part 3134 Element 4164407 or 313421 ×1

Minifig Accessories 9 pieces

  • Bag / Briefcase Black Part 4449 Element 6268856 or 4154853 ×2
  • Bag / Briefcase Brown Part 4449 Element 4154856 or 444925 ×3
  • Tap 1 x 1 with Hole in Spout Red Part 4599a ×1
  • Equipment Cup / Mug [Plain] Trans-Clear Part 3899 Element 6514013 or 6238856 ×2
  • Tap 1 x 1 with Hole in Spout Yellow Part 4599a Element 459924 ×1

Baseplates 6 pieces

  • Baseplate 32 x 32 Split with 2 x 14 Center Studs, Gray Road, White Lines, and Crosswalk Print Green Part 309pr0003 Element 4161156 ×1
  • Baseplate 8 x 16 Green Part 3865 Element 4219812 or 4179599 ×2
  • Baseplate 16 x 16 Light Gray Part 3867 Element 4217335 or 4206787 ×1
  • Baseplate 16 x 32 Light Gray Part 3857 Element 4219612 or 274802 ×1
  • Baseplate 32 x 32 Split with 2 x 14 Center Studs, White and Green Lines Print Light Gray Part 309pr0004 ×1

Bricks Curved 4 pieces

  • Brick Arch 1 x 5 x 4 [Continuous Bow] Red Part 2339 Element 4629997 or 4519935 ×4

Containers 4 pieces

  • Box 2 x 2 x 2 Door with Slot Light Gray Part 4346 Element 434602 ×2
  • Box 2 x 2 x 2 [Solid Studs] Yellow Part 4345a ×2

Electronics 4 pieces

  • Wire with Brick 2 x 2 x 2/3 Pair, 15L Black Part 5306bc015 Element 75565 ×1
  • Battery Box, 9V Small [Complete Assembly] Red Part 4760c01 ×1
  • Motor Cover, Monorail Red Part 2619 ×1
  • Motor, Monorail 9V with Long Couplings [Complete Assembly] White Part 2684c01b ×1

Plates Wedged 2 pieces

  • Wedge Plate 4 x 9 without Stud Notches White Part 2413 Element 241351 or 241301 ×2

Windscreens and Fuselage 2 pieces

  • Windscreen 4 x 4 x 3 Canopy Trans-Light Blue Part 2620 Element 4258357 or 262042 ×2

Stickers 1 piece

  • Sticker Sheet for Set 6399-1 [No Color/Any Color] Part 163555 Element 163555 ×1

Minifigures 9 figures

  • Man, White and Red Striped Shirt, White Legs, Black Hair Minifigure, checked as a whole figure ×1
  • Woman, White Top with Red Necklace, Blue Legs, Red Hair Minifigure, checked as a whole figure ×1
  • Woman, White Top with Large Red Stripe and 2 Blue Stripes, Red Legs, Red Hair Minifigure, checked as a whole figure ×1
  • Man, White Vest with Truck, White Legs, Red Cap Minifigure, checked as a whole figure ×1
  • Chef, Black Jacket over Red Shirt, Light Gray Legs Minifigure, checked as a whole figure ×1
  • Woman, Red Riding Jacket, Black Legs, Black Hair Minifigure, checked as a whole figure ×1
  • Man - Blue Jacket, Blue Legs, Red Hat Minifigure, checked as a whole figure ×1
  • Pilot, Black Suit with Tie and Airplane Badge, Black Hat (3626a Head) Minifigure, checked as a whole figure ×1
  • Man, White Shirt with Airplane, Blue Legs, Blue 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.

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