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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.

Bell Boeing V-22 Osprey

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42113 Bell Boeing V-22 Osprey

1,636 pieces in 165 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.

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

Light Bluish Gray 371 pieces

  • Plate Round 1 x 1 with Solid Stud Light Bluish Gray Part 6141 Element 4211525 1 spare in the box ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Bluish Gray Part 4032a Element 4211475 ×4
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×2
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×30
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×2
  • Technic Axle Connector Hub with 3 Axles at 120° Light Bluish Gray Part 57585 Element 4502595 ×2
  • Technic Axle and Pin Connector Angled #2 - 180° Light Bluish Gray Part 32034 Element 6346487 or 4211567 ×4
  • Technic Axle and Pin Connector Perpendicular Light Bluish Gray Part 6536 Element 6261375 or 4211775 ×27
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Light Bluish Gray Part 32184 Element 6276969 or 4211621 ×35
  • Technic Axle and Pin Connector Perpendicular Double Light Bluish Gray Part 32291 Element 6280396 or 4211629 ×6
  • Technic Axle and Pin Connector Perpendicular Triple Light Bluish Gray Part 63869 Element 6331441 or 4538007 ×8
  • Technic Ball Joint Light Bluish Gray Part 32474 Element 6070731 or 4585707 ×1
  • Technic Beam 1 x 13 Thick Light Bluish Gray Part 41239 Element 4522934 or 4156299 ×10
  • Technic Beam 1 x 2 Thick Light Bluish Gray Part 43857 Element 4211862 ×1
  • Technic Beam 1 x 3 Thick Light Bluish Gray Part 32523 Element 4211655 ×7
  • Technic Beam 1 x 4 Thin Light Bluish Gray Part 32449 Element 6370947 or 6074036 ×8
  • Technic Beam 1 x 5 Thick Light Bluish Gray Part 32316 Element 4211651 ×26
  • Technic Beam 1 x 7 Thick Light Bluish Gray Part 32524 Element 4495930 or 4211665 ×21
  • Technic Beam 1 x 9 Bent (6 - 4) Thick Light Bluish Gray Part 6629 Element 6279885 or 4255613 ×2
  • Technic Beam 1 x 9 Thick Light Bluish Gray Part 40490 Element 6102449 or 4211866 ×7
  • Technic Beam 2 x 4 L-Shape Thick Light Bluish Gray Part 32140 Element 6271831 or 4211610 ×8
  • Technic Beam 3 x 3 T-Shape Thick Light Bluish Gray Part 60484 Element 4552348 or 4535772 ×3
  • Technic Beam 3 x 5 L-Shape Thick Light Bluish Gray Part 32526 Element 4211713 ×5
  • Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Light Bluish Gray Part 14720 Element 6055519 ×5
  • Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick Light Bluish Gray Part 64178 Element 4540797 ×2
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 2 spares in the box ×17
  • Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Light Bluish Gray Part 42195 Element 6273212 ×4
  • Technic Gear 16 Tooth Reinforced [New Style] Light Bluish Gray Part 94925 Element 4640536 ×2
  • Technic Linear Actuator Mini with Dark Bluish Gray Head and Orange Axle Light Bluish Gray Part 92693 Element 6221464 or 4612100 ×2
  • Technic Panel 5 x 11 x 1 Light Bluish Gray Part 64782 Element 6474925 or 4621555 ×2
  • Technic Panel Fairing #21 5L Small Smooth, Side B Light Bluish Gray Part 11946 Element 6524693 or 6340661 ×2
  • Technic Panel Fairing #22 5L Small Smooth, Side A Light Bluish Gray Part 11947 Element 6524692 or 6352683 ×2
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 2 spares in the box ×15
  • Technic Pin Connector Hub Perpendicular 3L with 4 Pins Light Bluish Gray Part 48989 Element 4225033 ×8
  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise Light Bluish Gray Part 15100 Element 6172538 ×35
  • Technic Pin Connector Perpendicular 2 x 2 Bent Light Bluish Gray Part 44809 Element 4211880 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Light Bluish Gray Part 32054 Element 4211865 ×26
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×11
  • Technic Turntable Small Top Light Bluish Gray Part 99009 Element 4652235 ×2
  • Technic Universal Joint 3L [Complete Assembly] Light Bluish Gray Part 61903 Element 6335279 or 6321309 ×6
  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×8

Black 361 pieces

  • Axle Hose, Soft 16L Black Part 32202 Element 6057525 or 4121649 ×1
  • Dome Hemisphere 4 x 4 Black Part 86500 Element 6252319 or 6174959 ×2
  • Panel 1 x 2 x 1 with Rounded Corners and 2 Sides Black Part 23969 Element 6248496 or 6174845 ×8
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate Round 4 x 4 with Pin Hole Black Part 60474 Element 4515350 ×2
  • Rotor Blade 3 x 19 with 3 Holes Black Part 65422 Element 6305550 ×6
  • Technic Axle 12 Black Part 3708 Element 370826 ×1
  • Technic Axle 4 Black Part 3705 Element 370526 ×7
  • Technic Axle 8 Black Part 3707 Element 370726 ×4
  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 Also in Dark Bluish Gray ×2
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×22
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×5
  • Technic Axle and Pin Connector Angled #3 - 157.5° Black Part 32016 Element 6261386 or 4107082 ×2
  • Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 ×12
  • Technic Beam 1 x 2 Thick Black Part 43857 Element 4385726 or 4177444 ×4
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×5
  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise Black Part 15100 Element 6073231 ×6
  • Technic Pin Connector Toggle Joint Smooth Double with 2 Pins Black Part 48496 Element 4849626 or 4238840 ×2
  • Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes Black Part 87408 Element 6278412 or 4558692 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 3 spares in the box ×247
  • Technic Pin with Friction Ridges Lengthwise and Towball Black Part 6628 Element 4184169 or 662826 ×5
  • Technic Turntable Small Base, 28 Tooth Black Part 99010 Element 6326620 or 4652236 ×2
  • Tile 1 x 6 with Groove Black Part 6636 Element 663626 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×2
  • Tyre 17.5 x 6 with Shallow Staggered Treads and Middle Band Black Part 92409 Element 4617848 ×6
  • Wedge Plate 4 x 2 Left Black Part 41770 Element 4161332 ×2
  • Wedge Plate 4 x 2 Right Black Part 41769 Element 4160869 ×2

Dark Bluish Gray 348 pieces

  • Clutch Inner Side with Axle Connector Dark Bluish Gray Part 46835 Element 6257337 ×1
  • Hub, Powered Up 2-Port (Non-Bluetooth) - Clip Opening Dark Bluish Gray Part 22167 Element 6214082 or 621408 ×1
  • Motor, Large, Powered Up Dark Bluish Gray Part 22169 Element 6545732 or 6456189 ×1
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×9
  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×1
  • Technic Axle 8 with Stop Dark Bluish Gray Part 55013 Element 4499858 ×5
  • Technic Axle Connector Smooth [with x Hole + Orientation] Dark Bluish Gray Part 59443 Element 6084613 or 4516546 Also in Black ×20
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Dark Bluish Gray Part 42003 Element 6273715 or 4210857 ×33
  • Technic Beam 1 x 11 Thick Dark Bluish Gray Part 32525 Element 4603472 or 4534914 ×8
  • Technic Beam 1 x 15 Thick Dark Bluish Gray Part 32278 Element 32278199 or 4542576 ×10
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Dark Bluish Gray Part 60483 Element 6265093 or 6006141 ×41
  • Technic Beam 1 x 3 Thick Dark Bluish Gray Part 32523 Element 32523199 or 4210751 ×38
  • Technic Beam 1 x 3 Thin Dark Bluish Gray Part 6632 Element 6632199 or 6364452 ×18
  • Technic Beam 1 x 4 Thin Dark Bluish Gray Part 32449 Element 6327561 or 4210749 ×4
  • Technic Beam 1 x 5 Thick Dark Bluish Gray Part 32316 Element 32316199 or 4210686 ×13
  • Technic Beam 1 x 7 Thick Dark Bluish Gray Part 32524 Element 4495931 or 4210752 ×28
  • Technic Beam 1 x 9 Bent (7 - 3) Thick Dark Bluish Gray Part 32271 Element 6276837 or 4281516 ×6
  • Technic Beam 1 x 9 Thick Dark Bluish Gray Part 40490 Element 4645730 or 4210757 ×18
  • Technic Beam 2 x 4 L-Shape Thick Dark Bluish Gray Part 32140 Element 6271830 or 4210667 ×19
  • Technic Beam 3 x 3 T-Shape Thick Dark Bluish Gray Part 60484 Element 4552349 or 4535773 ×8
  • Technic Cam Dark Bluish Gray Part 6575 Element 6575199 or 4210759 ×4
  • Technic Driving Ring 3L Dark Bluish Gray Part 18947 Element 6100931 ×4
  • Technic Gear 8 Tooth [Reinforced] Dark Bluish Gray Part 10928 Element 6631413 or 6012451 ×12
  • Technic Panel 3 x 11 x 1 Dark Bluish Gray Part 15458 Element 6127205 ×4
  • Technic Panel 5 x 11 x 1 Dark Bluish Gray Part 64782 Element 6207990 ×2
  • Technic Panel 5 x 11 x 1 Tapered Dark Bluish Gray Part 18945 Element 6396962 or 6112843 ×2
  • Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface Dark Bluish Gray Part 62531 Element 6537708 or 6361938 ×4
  • Technic Panel Curved 3 x 13 Dark Bluish Gray Part 18944 Element 6303446 ×1
  • Technic Panel Curved 5 x 13 x 2 Tapered, Left #50 Dark Bluish Gray Part 67142 Element 6310171 ×1
  • Technic Panel Curved 5 x 13 x 2 Tapered, Right #51 Dark Bluish Gray Part 68196 Element 6310172 ×1
  • Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Dark Bluish Gray Part 24119 Element 6194722 ×8
  • Technic Panel Fairing # 3 Small Smooth Long, Side A Dark Bluish Gray Part 64683 Element 6431193 or 6248903 ×2
  • Technic Panel Fairing # 4 Small Smooth Long, Side B Dark Bluish Gray Part 64391 Element 6431194 or 6248902 ×2
  • Technic Panel Fairing #1 Small Smooth Short, Side A Dark Bluish Gray Part 87080 Element 6501501 or 6013548 ×2
  • Technic Panel Fairing #2 Small Smooth Short, Side B Dark Bluish Gray Part 87086 Element 6501500 or 6303445 ×2
  • Technic Panel Fairing #21 5L Small Smooth, Side B Dark Bluish Gray Part 11946 Element 6330085 or 6197965 ×6
  • Technic Panel Fairing #22 5L Small Smooth, Side A Dark Bluish Gray Part 11947 Element 6352665 or 6197945 ×6
  • Technic Pin Connector Hub with 2 Axles Dark Bluish Gray Part 27940 Element 6167281 ×2
  • Technic Worm Gear Short Dark Bluish Gray Part 27938 Element 6170153 ×1

Blue 266 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×81
  • Technic Gear 20 Tooth Double Bevel with Clutch on Both Sides Blue Part 35185 Element 6224999 ×1
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×184

Red 117 pieces

  • Technic Axle 10 Red Part 3737 Element 6130005 or 4267858 ×4
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×40
  • Technic Axle 6 Red Part 3706 Element 6130002 or 4191526 ×7
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Red Part 11214 Element 6209519 ×33
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Red Part 42003 Element 6273712 or 4175442 ×1
  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×14
  • Technic Changeover Catch - New Style Red Part 51149 Element 6313493 ×4
  • Technic Gear 16 Tooth with Clutch on Both Sides Red Part 18946 Element 6100930 ×7
  • Technic Pin Connector Hub with 1 Axle Red Part 22961 Element 6167939 ×1
  • Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] Red Part 87082 Element 6168687 or 4560172 ×4
  • Wire Clip with Axle Hole Red Part 49283 Element 6263067 ×2

Orange 52 pieces

  • Brick Curved 4 x 2 No Studs Orange Part 93606 Element 6054529 ×2
  • Brick Special 1 x 1 with Headlight Orange Part 4070 Element 4521571 or 4212455 ×4
  • Plate 1 x 2 Orange Part 3023 Element 4177932 or 4163009 ×2
  • Plate 2 x 3 Orange Part 3021 Element 4125278 ×4
  • Technic Axle and Pin Connector Angled #4 - 135° Orange Part 32192 Element 6585266 or 6360139 ×1
  • Technic Beam 1 x 13 Thick Orange Part 41239 Element 4629802 or 4164424 ×4
  • Technic Beam 1 x 5 Thick Orange Part 32316 Element 6143014 or 4142138 ×1
  • Technic Beam 1 x 7 Bent (4 - 4) Thick Orange Part 32348 Element 6278133 or 6102616 ×1
  • Technic Beam 1 x 9 Thick Orange Part 40490 Element 6135086 or 4157376 ×2
  • Technic Beam 3 x 3 T-Shape Thick Orange Part 60484 Element 6528012 or 6305545 ×1
  • Technic Beam 3 x 5 L-Shape Thick Orange Part 32526 Element 6143015 or 4626639 ×2
  • Technic Panel 5 x 11 x 1 Tapered Orange Part 18945 Element 6303439 ×2
  • Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Orange Part 24119 Element 6523810 or 6303440 ×4
  • Technic Panel Fairing # 3 Small Smooth Long, Side A Orange Part 64683 Element 6601288 or 6285295 ×2
  • Technic Panel Fairing # 4 Small Smooth Long, Side B Orange Part 64391 Element 6601286 or 6285294 ×2
  • Technic Panel Fairing #1 Small Smooth Short, Side A Orange Part 87080 Element 6370445 or 6303434 ×1
  • Technic Panel Fairing #2 Small Smooth Short, Side B Orange Part 87086 Element 6370444 or 6303436 ×1
  • Technic Panel Fairing #21 5L Small Smooth, Side B Orange Part 11946 Element 6340604 or 6022767 ×4
  • Technic Panel Fairing #22 5L Small Smooth, Side A Orange Part 11947 Element 6352662 or 6286428 ×4
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Orange Part 32054 Element 6143033 or 4229603 ×4
  • Wheel 31 x 15 Technic, 7 Pin Holes Orange Part 60208 Element 6303441 ×4

White 41 pieces

  • Bracket 1 x 2 - 2 x 2 White Part 44728 Element 6619296 or 6117940 ×2
  • Clutch Outer Side with Axle Connector White Part 46834 Element 6257336 ×1
  • Technic Beam 1 x 2 Thin White Part 41677 Element 6371416 or 4163533 ×14
  • Technic Beam 1 x 3 Thick White Part 32523 Element 6632140 or 4208160 ×3
  • Technic Beam 1 x 3 Thin White Part 6632 Element 6360038 or 4107826 ×10
  • Technic Beam 1 x 5 Thick White Part 32316 Element 4249021 or 4140465 ×3
  • Technic Beam Frame 7 x 11 White Part 39794 Element 6247435 ×1
  • Technic Driving Ring Connector White Part 18948 Element 6276052 or 6100932 ×4
  • Technic Pin Connector Round [Slotted] White Part 62462 Element 6550164 or 6173116 ×3

Yellow 27 pieces

  • Technic Axle 5 Yellow Part 32073 Element 6130008 ×18
  • Technic Axle 9 Yellow Part 60485 Element 6130010 ×6
  • Technic Beam 1 x 2 Thick Yellow Part 43857 Element 4187122 ×2
  • Technic Connector Beam 3 x 3 Yellow Part 39793 Element 6252654 ×1

Tan 26 pieces

  • Technic Axle 4 with Centre Stop Tan Part 99008 Element 4666999 ×4
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×3
  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×5
  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Tan Part 18575 Element 6346517 or 6084724 ×4
  • Technic Pin Long without Friction Ridges Tan Part 32556 ×10

Reddish Brown 23 pieces

  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×22
  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×1

Trans-Red 2 pieces

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

Trans-Green 1 piece

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

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 42113-1 [No Color/Any Color] Part 68302 Element 6303286 ×1

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

When a piece really is missing

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