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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.

Firefighter Aircraft

Checking

42152 Firefighter Aircraft

1,134 pieces in 144 part and color combinations.

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

Black 327 pieces

  • Axle Hose, Soft 7L Black Part 32580 Element 6132744 ×2
  • Technic Axle 6 Black Part 3706 Element 370626 ×6
  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×9
  • Technic Axle Connector with Axle Hole [Reinforced] Black Part 42135 Element 6331716 ×4
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×11
  • Technic Beam 1 x 11 Thick with Alternating Holes Black Part 73507 Element 6330585 ×2
  • Technic Beam 1 x 15 Thick Black Part 32278 Element 4542573 or 4128603 ×5
  • Technic Beam 1 x 15 Thick with Alternating Holes Black Part 71710 Element 6321716 ×1
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Black Part 60483 Element 6265091 or 6006140 ×2
  • Technic Beam 1 x 2 Thin Black Part 41677 Element 6338428 or 4167726 ×4
  • Technic Beam 1 x 4 Thin Black Part 32449 Element 6327548 or 4142236 ×2
  • Technic Beam 1 x 7 Thick Black Part 32524 Element 4495935 or 4155458 ×1
  • Technic Beam 1 x 9 Bent (6 - 4) Thick Black Part 6629 Element 6279881 or 4119800 ×1
  • Technic Beam Frame 3 x 19 with 2 Center Cross Beams, 3 Openings Thick Black Part 67491 Element 6377025 ×3
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×3
  • Technic Panel Fairing #1 Small Smooth Short, Side A Black Part 87080 Element 4566251 ×1
  • Technic Panel Fairing #2 Small Smooth Short, Side B Black Part 87086 Element 4566249 ×1
  • Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes Black Part 87408 Element 6278412 or 4558692 ×2
  • Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Black Part 66906 Element 6344752 ×2
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 3 spares in the box ×257
  • Tyre 17.5 x 6 with Shallow Staggered Treads and Middle Band Black Part 92409 Element 4617848 ×2
  • Tyre Offset Tread with Center Band 23 x 7 Black Part 61254 Element 4541455 ×4
  • Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Black Part 55981 Element 6359824 or 6109682 ×2

Red 228 pieces

  • Cone 2 x 2 x 2, Open Stud Red Part 3942c Element 6056297 or 6022147 ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Red Part 4032a Element 403221 ×2
  • Technic Axle 12 Red Part 3708 Element 6147702 or 4125190 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×5
  • Technic Axle 4 Red Part 3705 Element 6129995 or 4265797 ×4
  • Technic Axle 8 Red Part 3707 Element 6130004 ×4
  • Technic Axle Connector Smooth [with x Hole + Orientation] Red Part 59443 Element 4513174 ×4
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Red Part 11214 Element 6209519 ×19
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Red Part 42003 Element 6273712 or 4175442 ×18
  • Technic Axle and Pin Connector Perpendicular Triple Red Part 63869 Element 6362998 or 6334502 ×2
  • Technic Beam 1 x 11 Thick Red Part 32525 Element 4562805 or 4534913 ×4
  • Technic Beam 1 x 13 Thick Red Part 41239 Element 4522938 or 4262082 ×12
  • Technic Beam 1 x 2 Thick Red Part 43857 Element 4185664 ×9
  • Technic Beam 1 x 2 Thin Red Part 41677 Element 6371442 or 4186678 ×8
  • Technic Beam 1 x 3 Thick Red Part 32523 Element 4153718 ×11
  • Technic Beam 1 x 3 Thin Red Part 6632 Element 6364451 or 4107824 ×8
  • Technic Beam 1 x 4 Thin Red Part 32449 Element 6330205 or 4141811 ×10
  • Technic Beam 1 x 5 Thick Red Part 32316 Element 4142132 or 4128589 ×9
  • Technic Beam 1 x 5 Thin with Axle Holes on Ends Red Part 11478 Element 6327047 or 6214344 ×7
  • Technic Beam 1 x 7 Thick Red Part 32524 Element 4495933 or 4162098 ×20
  • Technic Beam 1 x 7 Thick with Alternating Holes Red Part 2391 Element 6426477 ×3
  • Technic Beam 2 x 4 L-Shape Thick Red Part 32140 Element 6271827 or 4141270 ×13
  • Technic Beam 2 x 5 L-Shape with Quarter Ellipse Thick Red Part 80286 Element 6407068 ×1
  • Technic Beam 3 x 3 T-Shape Thick Red Part 60484 Element 6194079 ×4
  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×13
  • Technic Gear 16 Tooth with Clutch on Both Sides Red Part 18946 Element 6100930 ×1
  • Technic Panel 3 x 11 x 1 Red Part 15458 Element 6224922 or 6064458 ×2
  • Technic Panel 3 x 7 x 1 Red Part 71709 Element 6379345 ×4
  • Technic Panel 5 x 11 x 1 Tapered Red Part 18945 Element 6258093 ×2
  • Technic Panel Curved 3 x 13 Red Part 18944 Element 6334499 ×2
  • Technic Panel Fairing # 3 Small Smooth Long, Side A Red Part 64683 Element 4540801 ×1
  • Technic Panel Fairing # 4 Small Smooth Long, Side B Red Part 64391 Element 4540798 ×1
  • Technic Panel Fairing #21 5L Small Smooth, Side B Red Part 11946 Element 6340601 or 6022750 ×5
  • Technic Panel Fairing #22 5L Small Smooth, Side A Red Part 11947 Element 6343986 or 6022752 ×5
  • Technic Pin Connector Hub with 1 Axle Red Part 22961 Element 6167939 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Red Part 65304 Element 6347789 ×9
  • Technic Rubber Belt Medium [24mm ID] [Round Cross Section] Red Part 85544 Element 4544145 or 4544143 ×1

Yellow 220 pieces

  • Technic Axle 3 Yellow Part 4519 Element 6130007 ×27
  • Technic Axle 7 Yellow Part 44294 Element 6130009 ×4
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Yellow Part 32184 Element 6276974 or 6037676 ×8
  • Technic Beam 1 x 11 Thick Yellow Part 32525 Element 6028107 or 4534912 ×8
  • Technic Beam 1 x 15 Thick Yellow Part 32278 Element 4542579 or 4237445 ×16
  • Technic Beam 1 x 2 Thick Yellow Part 43857 Element 4187122 ×3
  • Technic Beam 1 x 3 Thick Yellow Part 32523 Element 4153707 ×26
  • Technic Beam 1 x 4 Thin Yellow Part 32449 Element 6327559 or 4199345 ×4
  • Technic Beam 1 x 5 Thick Yellow Part 32316 Element 4142133 or 4128590 ×20
  • Technic Beam 1 x 7 Bent (4 - 4) Thick Yellow Part 32348 Element 6278131 or 4500485 ×2
  • Technic Beam 1 x 7 Thick Yellow Part 32524 Element 4495934 or 4187082 ×4
  • Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick Yellow Part 71708 Element 6332412 ×10
  • Technic Beam 2 x 4 L-Shape Thick Yellow Part 32140 Element 6271828 or 4141628 ×1
  • Technic Beam 3 x 3 T-Shape Thick Yellow Part 60484 Element 6072627 ×1
  • Technic Beam 3 x 5 L-Shape Thick Yellow Part 32526 Element 4144022 ×2
  • Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Yellow Part 14720 Element 6259054 ×2
  • Technic Beam Triangle Thin [Type II] Yellow Part 99773 Element 6331435 or 6010863 ×2
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Yellow Part 32123b Element 6271167 or 3212324 1 spare in the box ×4
  • Technic Connector Beam 3 x 3 Yellow Part 39793 Element 6252654 ×2
  • Technic Panel 3 x 11 x 1 Yellow Part 15458 Element 6143847 ×6
  • Technic Panel 3 x 7 x 1 Yellow Part 71709 Element 6334490 ×4
  • Technic Panel 5 x 11 x 1 Tapered Yellow Part 18945 Element 6310998 or 6099546 ×4
  • Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface Yellow Part 62531 Element 6417857 or 6211955 ×6
  • Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Yellow Part 24119 Element 6257077 ×4
  • Technic Panel Fairing #21 5L Small Smooth, Side B Yellow Part 11946 Element 6352653 or 6251190 ×2
  • Technic Panel Fairing #22 5L Small Smooth, Side A Yellow Part 11947 Element 6352686 or 6251191 ×2
  • Technic Panel Fairing #5 Long Smooth, Side A Yellow Part 64681 Element 6286376 or 4558817 ×1
  • Technic Panel Fairing #6 Long Smooth, Side B Yellow Part 64393 Element 6065491 or 4558800 ×1
  • Technic Panel Round Corner 5 x 3 x 2 Left Yellow Part 2438 Element 6498579 or 6422624 ×1
  • Technic Panel Round Corner 5 x 3 x 2 Right Yellow Part 2442 Element 6498822 or 6422626 ×1
  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge] Yellow Part 65487 Element 6282151 ×25
  • Technic Pin Connector Round [Slotted] Yellow Part 62462 Element 6173122 or 4526983 ×15
  • Wheel 31 x 15 Technic, 7 Pin Holes Yellow Part 60208 Element 6364403 or 6117014 ×2

Blue 194 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×26
  • Technic Gear 12 Tooth with Axle Hole Blue Part 69778 Element 6396479 ×2
  • Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Blue Part 42924 Element 6299413 ×166

Light Bluish Gray 97 pieces

  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×10
  • Technic Axle 9 Light Bluish Gray Part 60485 Element 4535768 ×1
  • Technic Axle Connector Hub with 3 Axles at 120° Light Bluish Gray Part 57585 Element 4502595 ×2
  • Technic Axle and Pin Connector Angled #1 Light Bluish Gray Part 32013 Element 6296859 or 4211550 ×4
  • Technic Axle and Pin Connector Perpendicular Light Bluish Gray Part 6536 Element 6261375 or 4211775 ×6
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Light Bluish Gray Part 32184 Element 6276969 or 4211621 ×4
  • Technic Beam 1 x 2 Thin Light Bluish Gray Part 41677 Element 6348143 or 4211741 ×6
  • Technic Beam 1 x 4 Thin Light Bluish Gray Part 32449 Element 6370947 or 6074036 ×2
  • Technic Beam 1 x 5 Thick Light Bluish Gray Part 32316 Element 4211651 ×7
  • Technic Beam 1 x 6 Thin Light Bluish Gray Part 32063 Element 6170293 or 4211586 ×4
  • Technic Beam 1 x 7 Bent (4 - 4) Thick Light Bluish Gray Part 32348 Element 6278129 or 4211668 ×4
  • Technic Beam 1 x 7 Thick Light Bluish Gray Part 32524 Element 4495930 or 4211665 ×2
  • Technic Beam 1 x 9 Thick Light Bluish Gray Part 40490 Element 6102449 or 4211866 ×2
  • Technic Beam 2 x 4 L-Shape Thick Light Bluish Gray Part 32140 Element 6271831 or 4211610 ×7
  • Technic Gear 16 Tooth Reinforced [New Style] Light Bluish Gray Part 94925 Element 4640536 ×1
  • Technic Linear Actuator Mini with Dark Bluish Gray Head and Orange Axle Light Bluish Gray Part 92693 Element 6221464 or 4612100 ×1
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×5
  • Technic Pin Connector Hub Perpendicular 3L with 2 Pins Light Bluish Gray Part 2393 Element 6408168 ×2
  • Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] Light Bluish Gray Part 44874 Element 6321303 ×9
  • Technic Pin Connector Perpendicular 2 x 2 Bent Light Bluish Gray Part 44809 Element 4211880 ×4
  • Technic Pin Connector Round 1L [Beam] Light Bluish Gray Part 18654 Element 6183784 1 spare in the box ×3
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×2
  • Technic Shock Absorber 6.5L with Soft Spring, Tight Coil, Black Piston Rod [Complete Assembly] Light Bluish Gray Part 89953c01 Element 6378472 ×1
  • Technic Universal Joint 3L [Complete Assembly] Light Bluish Gray Part 61903 Element 6335279 or 6321309 ×2
  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×2
  • Wheel 18 x 8 with Fake Bolts and Deep Spokes with Inner Ring Light Bluish Gray Part 13971 Element 6359807 or 6044729 ×4

Tan 26 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×6
  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×3
  • Technic Gear 20 Tooth Bevel Tan Part 32198 Element 6031962 or 4514557 ×2
  • Technic Pin 3/4 Tan Part 32002 Element 6663097 or 6013938 1 spare in the box ×10
  • Technic Pin Long without Friction Ridges, with Anti-Roll Notch Tan Part 39888 Element 6321305 ×5

Dark Bluish Gray 16 pieces

  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×4
  • Technic Axle 8 with Stop Dark Bluish Gray Part 55013 Element 4499858 ×1
  • Technic Beam 1 x 5 Thin Dark Bluish Gray Part 32017 Element 32017199 or 6215176 ×1
  • Technic Cam Dark Bluish Gray Part 6575 Element 6575199 or 4210759 ×2
  • Technic Gear Rack 1 x 14 x 2 Housing Dark Bluish Gray Part 18940 Element 6328090 ×1
  • Technic Gear Rack 1 x 14 x 2 with Axle and Pin Holes Dark Bluish Gray Part 18942 Element 6273338 or 6114979 ×1
  • Technic Rotor Blade Small with Hole and Axle Connector End Dark Bluish Gray Part 99012 Element 6271639 or 4651820 ×6

Trans-Light Blue 10 pieces

  • Brick Round 2 x 2 with Axle Hole Trans-Light Blue Part 3941 Element 6514282 or 6273153 ×10

Reddish Brown 6 pieces

  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×2
  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×4

Dark Azure 2 pieces

  • Technic Gear 20 Tooth with Axle Hole [+ Opening] Dark Azure Part 69779 Element 6396480 ×2

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-Red 2 pieces

  • Tile Round 1 x 1 Trans-Red Part 98138 Element 6514189 or 6258607 1 spare in the box ×2

Green 1 piece

  • Technic Gear 20 Tooth with Clutch on Both Sides Green Part 81346 Element 6391159 ×1

Trans-Green 1 piece

  • Tile Round 1 x 1 Trans-Green Part 98138 Element 6514194 or 6274742 1 spare in the box ×1

White 1 piece

  • Technic Axle Pin 3L without Friction Ridges and 2L Axle White Part 65249 Element 6289797 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 42152-1 [No Color/Any Color] Part 10104430 Element 6445292 or 6415919 ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

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