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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.

Cyclone Defender

Checking

8100 Cyclone Defender

88 pieces in 48 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 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

Plates 10 pieces

  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×5
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×1
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×1
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×1
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×2

Technic Axles 10 pieces

  • Technic Axle 4 Black Part 3705 Element 370526 ×1
  • Technic Axle 3 with Stud Dark Bluish Gray Part 6587 Element 6587199 or 6129590 ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×7

Technic Connectors 10 pieces

  • Technic Axle and Pin Connector Angled #4 - 135° Dark Bluish Gray Part 32192 Element 6262899 or 4210688 ×4
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Dark Green Part 32174 Element 4227559 ×4
  • Technic Axle and Pin Connector Angled #1 White Part 32013 Element 6332573 or 4118981 ×1
  • Technic Axle Connector Ridged [with x Hole x Orientation] Yellow Part 6538b Element 4140507 ×1

Plates Special 8 pieces

  • Bracket 2 x 2 - 2 x 2 Light Bluish Gray Part 3956 Element 6254807 or 6019212 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Light Bluish Gray Part 6019 Element 4211518 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Light Bluish Gray Part 48336 Element 4244627 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] White Part 2540 Element 4140583 or 254051 ×2
  • Technic Plate 2 x 4 [3 Holes] White Part 3709 Element 370901 ×2

Bricks Round and Cones 6 pieces

  • Brick Round 1 x 1 Open Stud Trans-Neon Green Part 3062b Element 6514237 or 6238675 ×1
  • Brick Round 1 x 1 Open Stud Trans-Neon Orange Part 3062b Element 6238676 or 4153989 ×1
  • Brick Round 2 x 2 with Axle Hole White Part 3941 Element 6601920 or 614351 ×1
  • Cone 1 x 1 [No Top Groove] Yellow Part 4589 Element 458924 ×3

Bricks Wedged 5 pieces

  • Brick Wedged, Curved 4 x 4 No Top Studs Dark Green Part 47753 Element 6484783 or 6114552 ×3
  • Brick Wedged, Sloped 4 x 2 Triple Left Dark Green Part 43710 Element 4500059 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Right Dark Green Part 43711 Element 4500060 ×1

Plates Wedged 5 pieces

  • Wedge Plate 4 x 4 Cut Corner Dark Green Part 30503 Element 4655233 or 4551086 ×2
  • Wedge Plate 3 x 3 Cut Corner White Part 2450 Element 6601842 or 4280148 ×2
  • Wedge Plate 3 x 6 Cut Corners White Part 2419 Element 6552090 or 241901 ×1

Technic Bricks 5 pieces

  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×1
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Dark Bluish Gray Part 32064b ×4

Technic Special 5 pieces

  • Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention] Dark Bluish Gray Part 57908 Element 4498096 ×1
  • Technic Brick Special 2 x 2 with Solid Ball and Axle Hole Dark Bluish Gray Part 57909a ×4

Bricks Sloped 3 pieces

  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×1
  • Brick Sloped Inverted 75° 2 x 1 x 3 Black Part 2449 Element 4636202 or 4561789 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] White Part 3660 Element 366001 ×1

Minifig Shields, Weapons, & Tools 3 pieces

  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1
  • Weapon Sword / Katana [Octagonal Guard] Black Part 30173a Element 4613936 or 4114206 ×2

Minifig Upper Body 3 pieces

  • Arm Mechanical with Clip [Thin Support] Pearl Light Gray Part 53989 Element 4494600 or 4288114 ×3

Tiles Special 3 pieces

  • Tile Special 1 x 1 with Clip and Straight Tips Yellow Part 2555 Element 4164060 or 255524 ×3

Large Buildable Figures 2 pieces

  • Large Figure Foot, with Ball Joint Socket 3 x 6 x 2 1/3 Dark Bluish Gray Part 32475 Element 4227757 ×2

Technic Gears 2 pieces

  • Technic Gear 24 Tooth [New Style with Single Axle Hole] Light Bluish Gray Part 3648b Element 4211565 ×2

Tiles 2 pieces

  • Tile 1 x 2 with Engraved Code for Exo-Force Yellow Part 3069bpr0073 Element 4513198 or 4507020 ×1
  • Tile 1 x 4 with Groove Yellow Part 2431 Element 243124 ×1

Bricks Curved 1 piece

  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Pearl Light Gray Part 47457 Element 4493864 or 4286596 ×1

Bricks Special 1 piece

  • Brick Special 1 x 4 with 4 Studs on One Side Black Part 30414 Element 4162443 ×1

Plates Round Curved and Dishes 1 piece

  • Dish 6 x 6 Inverted (Radar) with Hollow Studs Dark Green Part 44375a Element 4500332 ×1

Stickers 1 piece

  • Sticker Sheet for Set 8100-1 [No Color/Any Color] Part 58390 Element 4499561 ×1

Technic Pins 1 piece

  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×1

Windscreens and Fuselage 1 piece

  • Windscreen 5 x 2 x 1 2/3 Trans-Brown Part 6070 Element 4204624 ×1

Minifigures 1 figure

  • Ryo in Gold Armor 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.

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