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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.

Nighthawk / Sky Wasp

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8412 Nighthawk / Sky Wasp

287 pieces in 78 part and color combinations.

LEGO counts 286 pieces. This inventory comes from a separate parts catalog and lists 287; 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.

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Piece checklist

Technic Bushes 54 pieces

  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×16
  • Technic Bush 1/2 Toothed Type II [X Opening] Light Gray Part 4265b Element 4100501 or 657702 1 spare in the box ×38

Technic Connectors 42 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Light Gray Part 6553 Element 655302 ×5
  • Technic Axle Connector Ridged [with + Hole + Orientation] Light Gray Part 6538a ×9
  • Technic Axle and Pin Connector Light Gray Part 3651 Element 4105243 or 365102 ×1
  • Technic Axle and Pin Connector Perpendicular Light Gray Part 6536 Element 4173667 or 653602 ×8
  • Technic Axle and Pin Connector Toggle Joint Toothed [with Slots] Light Gray Part 4273b Element 427302 ×19

Technic Axles 37 pieces

  • Technic Axle 10 Black Part 3737 Element 373726 ×9
  • Technic Axle 12 Black Part 3708 Element 370826 ×5
  • Technic Axle 3 Black Part 4519 Element 6238084 or 451926 ×5
  • Technic Axle 4 Black Part 3705 Element 370526 ×6
  • Technic Axle 6 Black Part 3706 Element 370626 ×5
  • Technic Axle 8 Black Part 3707 Element 370726 ×5
  • Technic Axle 3 with Stud Dark Gray Part 6587 Element 4113884 or 658727 ×2

Plates 35 pieces

  • Plate 1 x 4 Black Part 3710 Element 371026 ×4
  • Plate 1 x 6 Black Part 3666 Element 366626 ×7
  • Plate 1 x 8 Black Part 3460 Element 346026 ×4
  • Plate 2 x 16 Black Part 4282 Element 428276 or 428226 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 ×2
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×4
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate 2 x 6 Black Part 3795 Element 379526 ×3
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×2
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×2
  • Plate 1 x 6 Yellow Part 3666 Element 366624 ×1
  • Plate 1 x 8 Yellow Part 3460 Element 346024 ×2

Technic Bricks 27 pieces

  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×2
  • Technic Brick 1 x 10 [9 Pin Holes] Black Part 2730 Element 273026 ×4
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×7
  • Technic Brick 1 x 4 [3 Pin Holes] Black Part 3701 Element 370126 ×4
  • Technic Brick 1 x 6 [5 Pin Holes] Black Part 3894 Element 389426 ×2
  • Technic Brick 1 x 8 [7 Pin Holes] Black Part 3702 Element 370226 ×2
  • Technic Brick 1 x 10 [9 Pin Holes] Light Gray Part 2730 Element 273002 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Light Gray Part 3700 Element 370002 ×4

Technic Pins 20 pieces

  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×6
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×6
  • Technic Axle Towball Light Gray Part 2736 Element 273602 ×1
  • Technic Pin 1/2 without Friction Ridges Light Gray Part 4274 Element 427402 1 spare in the box ×4
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×3

Technic Special 16 pieces

  • Technic Flex Cable End - Ball Connection with Cage Black Part 6644 Element 664426 ×2
  • Technic Propeller 4 Blade 7 Stud Diameter with Square Ends Black Part 2906 Element 4124390 or 290626 ×1
  • Technic Seat / Chair [3 x 2 Base] Blue Part 2717 Element 4252489 or 4225498 ×1
  • Technic Flex Cable End with Pin Connection Dark Gray Part 6643 Element 664327 ×2
  • Technic Cam Light Gray Part 6575 Element 657502 ×4
  • Technic Flex Cable 11L Light Gray Part flex08c11 ×1
  • Technic Flex Cable 12L Light Gray Part flex08c12 ×1
  • Technic Helicopter Rotor Holder with Towballs Light Gray Part 2908 Element 290802 ×1
  • Technic Plate 1 x 6 with Toothed Ends Light Gray Part 4262 Element 4240413 or 4109661 ×2
  • Technic Hub / Handle 1 x 1 Yellow Part 424 Element 622124 ×1

Technic Beams 10 pieces

  • Technic Beam 1 x 4 Thin with Stud Connector Black Part 2825 Element 6331570 or 4107136 ×2
  • Technic Beam 1 x 4 Thin with Stud Connector Light Gray Part 2825 Element 4107133 or 282502 ×8

Technic Gears 10 pieces

  • Technic Ball with 8 Grooves Light Gray Part 2907 Element 290702 ×1
  • Technic Gear 12 Tooth Bevel Light Gray Part 6589 Element 658902 ×6
  • Technic Gear 24 Tooth [Old Style - Three axle holes] Light Gray Part 3648a ×2
  • Technic Gear 8 Tooth Light Gray Part 3647 Element 364702 ×1

Bricks Sloped 6 pieces

  • Brick Sloped 45° 2 x 2 Double Convex Black Part 3045 Element 4189064 or 304526 ×2
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×2

Tubes and Hoses 5 pieces

  • Hose Rigid 3mm D. 18L / 14.4cm Dark Gray Part 75c18 ×1
  • Hose Rigid 3mm D. 20L / 16cm Dark Gray Part 75c20 ×2
  • Hose Rigid 3mm D. 7L / 5.6cm Dark Gray Part 75c07 ×1
  • Hose Rigid 3mm D. 8L / 6.4cm Dark Gray Part 75c08 Element 4125354 ×1

Plates Special 4 pieces

  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×4

Technic Steering, Suspension and Engine 4 pieces

  • Technic Steering Arm 6.5 x 2 with Towball Socket Squared, Un-Chamfered Black Part 2738 Element 273826 ×1
  • Technic Engine Crankshaft Light Gray Part 2853 Element 4119475 or 285302 ×2
  • Technic Steering Arm Light Gray Part 4261 Element 4225506 or 4189316 ×1

Wheels and Tyres 4 pieces

  • Technic Wedge Belt Wheel Tire Black Part 2815 Element 6028041 or 281526 ×2
  • Technic Wedge Belt Wheel [aka Pulley] Light Gray Part 4185 Element 4100502 or 418502 ×2

Bricks Round and Cones 3 pieces

  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×2
  • Brick Round 2 x 2 with Axle Hole Light Gray Part 3941 Element 614302 or 394102 ×1

Tiles 3 pieces

  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×2

Bricks 2 pieces

  • Brick 1 x 2 Black Part 3004 Element 300426 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Gray Part 4032a Element 403202 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Yellow Part 4032a Element 403224 ×1

Plants & Trees 1 piece

  • Plant, Palm Tree Trunk - Short Connector, Axle Hole with 2 Inside Prongs Light Gray Part 6135 Element 613502 ×1

Stickers 1 piece

  • Sticker Sheet for Set 8412-1 [No Color/Any Color] Part 169775 ×1

Transportation - Sea and Air 1 piece

  • Propeller 2 Blade 9 Diameter Black Part 2952 Element 4528097 or 4189281 ×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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