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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.

Air Blazer

Checking

31057 Air Blazer

102 pieces in 58 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

Plates 32 pieces

  • Plate 1 x 10 Black Part 4477 Element 447726 ×4
  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 2 x 10 Black Part 3832 Element 383226 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×1
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 3 x 3 Cross Black Part 15397 Element 6097283 ×1
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×1
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×1
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×2
  • Plate 1 x 10 Red Part 4477 Element 447721 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×3
  • Plate 1 x 6 Red Part 3666 Element 366621 ×2
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 2 x 3 Red Part 3021 Element 302121 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×3
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×1
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×2

Plates Special 16 pieces

  • Plate Special 1 x 2 [Side Handle Closed Ends] Black Part 48336 Element 4225201 ×1
  • Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] Black Part 88072 Element 6261348 or 4569733 ×2
  • Plate Special 2 x 2 with 2 Pins Dark Bluish Gray Part 15092 Element 6284702 or 6066952 ×1
  • Plate Special 1 x 2 with Handles on Ends Light Bluish Gray Part 18649 Element 6093058 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Red Part 2540 Element 4140585 or 254021 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Red Part 15573 Element 6092565 ×4
  • Plate Special 1 x 2 with Pin Hole on Top Red Part 11458 Element 6099736 ×1
  • Plate Special 3 x 2 with Rounded End, Hole Red Part 3176 Element 4188189 or 317621 ×1
  • Plate Special 1 x 2 with Clip Horizontal on End White Part 63868 Element 6361170 or 4535737 ×2

Tiles Special 9 pieces

  • Tile Special 1 x 1 with Clip with Rounded Edges Light Bluish Gray Part 15712 Element 6308012 or 6071229 ×4
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×4
  • Tile Special 2 x 2 with Top Pin Light Bluish Gray Part 2460 Element 4211365 ×1

Bricks Curved 7 pieces

  • Brick Curved 2 x 2, Two Top Studs Black Part 30165 Element 4200023 or 4113231 ×1
  • Brick Curved Inverted 4 x 1 Black Part 13547 Element 6039869 ×2
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Red Part 11153 Element 6583512 or 6045937 ×2
  • Brick Curved 2 x 2 with Lip, No Studs Trans-Brown Part 30602 Element 6507872 or 6171717 ×2

Tiles 7 pieces

  • Tile 2 x 2 with Groove Red Part 3068b Element 306821 ×3
  • Tile 1 x 1 with Groove Yellow Part 3070b Element 307024 1 spare in the box ×4

Bricks Sloped 4 pieces

  • Brick Sloped 18° 4 x 1 Red Part 60477 Element 4515360 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Red Part 85984 Element 4651524 ×2

Bricks Special 4 pieces

  • Brick Special 1 x 2 x 2/3 with Studs on Sides Light Bluish Gray Part 4595 Element 6681658 or 4211502 ×2
  • Brick Special 1 x 4 with 4 Studs on One Side Light Bluish Gray Part 30414 Element 4211636 ×2

Bricks Wedged 3 pieces

  • Brick Wedged 3 x 4 [Stud Notches] Red Part 50373 Element 6480713 or 4230901 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Left Red Part 43710 Element 6431121 or 6293751 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Right Red Part 43711 Element 6431123 or 6293750 ×1

Plates Wedged 3 pieces

  • Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Red Part 90194 Element 6170523 or 4649048 ×1
  • Wedge Plate 6 x 3 Left White Part 54384 Element 4287708 ×1
  • Wedge Plate 6 x 3 Right White Part 54383 Element 4287707 ×1

Transportation - Sea and Air 3 pieces

  • Propeller 3 Blades 5 Diameter, Pin Hole Black Part 92842 Element 6360206 or 4599984 ×1
  • Propeller 4 Blade 5 Diameter with Rounded Ends, Open Hub Black Part 2479 Element 247926 ×1
  • Wing, Tail 4 x 1 x 3 Red Part 2340 Element 6013636 or 4217653 ×1

Bars, Ladders and Fences 2 pieces

  • Bar Holder with Clip Dark Bluish Gray Part 11090 Element 6336970 or 6015890 ×2

Bricks 2 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×2

Flags, Banners and Signs 2 pieces

  • Flag 2 x 2 Trapezoid with Flat Area between Clips Black Part 44676 Element 4184617 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] White Part 2654 Element 6601843 or 6552259 ×1

Tiles Round and Curved 2 pieces

  • Tile Round 1 x 1 Light Bluish Gray Part 98138 Element 6284071 or 4650260 1 spare in the box ×2

Wheels and Tyres 2 pieces

  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×2

Technic Bricks 1 piece

  • Technic Brick 1 x 2 [2 Pin Holes] Red Part 32000 Element 4179355 or 4101764 ×1

Technic Pins 1 piece

  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×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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