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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.

Flatbed Truck with Helicopter

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31146 Flatbed Truck with Helicopter

270 pieces in 119 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

Plates 68 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 1 spare in the box ×4
  • Plate 1 x 2 Black Part 3023 Element 302326 Also in Dark Bluish Gray ×4
  • Plate 1 x 5 Black Part 78329 Element 6350415 ×3
  • Plate 2 x 12 Black Part 2445 Element 244526 ×2
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×1
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 Also in Black ×4
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×2
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×3
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 1 spare in the box ×2
  • Plate 2 x 10 Light Bluish Gray Part 3832 Element 4211462 ×1
  • Plate 2 x 14 Light Bluish Gray Part 91988 Element 4662161 ×1
  • Plate 1 x 3 Medium Azure Part 3623 Element 6119107 or 6013829 ×2
  • Plate 1 x 4 Medium Azure Part 3710 Element 6603965 or 6070757 ×2
  • Plate 1 x 2 Red Part 3023 Element 302321 ×4
  • Plate 1 x 3 Red Part 3623 Element 362321 ×2
  • Plate 1 x 4 Red Part 3710 Element 371021 ×3
  • Plate 1 x 8 Red Part 3460 Element 346021 ×1
  • Plate 2 x 3 Red Part 3021 Element 302121 ×1
  • Plate 2 x 4 Red Part 3020 Element 302021 ×1
  • Plate 3 x 3 Red Part 11212 Element 6217123 ×1
  • Plate 2 x 2 Tan Part 3022 Element 4114084 or 302205 ×1
  • Plate 1 x 1 Trans-Clear Part 3024 Element 6513962 or 6252041 1 spare in the box Also in White ×5
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box Also in Trans-Clear ×6
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×3
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×1
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×1
  • Plate 3 x 3 White Part 11212 Element 6552153 or 6104805 ×4

Plates Special 39 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Black Part 15573 Element 6092585 ×3
  • Plate Special 2 x 2 with Wheel Holders with Cross (+) Slots on Pins Black Part 67687 Element 6482961 or 6371406 ×5
  • Plate Special 1 x 2 with Door Rail Dark Bluish Gray Part 32028 Element 4543086 or 4541289 ×2
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Light Bluish Gray Part 28802 Element 6168615 ×3
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Light Bluish Gray Part 60897 Element 6296894 or 4613956 ×4
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×2
  • Plate Special 1 x 2 with Wheel Holder, Reinforced Underside Light Bluish Gray Part 66897 Element 6395349 ×1
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×1
  • Plate Special 2 x 2 with Only 2 studs Light Bluish Gray Part 33909 Element 6212077 ×2
  • Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Light Bluish Gray Part 32828 Element 6227897 1 spare in the box ×4
  • Technic Plate 2 x 8 [7 Holes] Light Bluish Gray Part 3738 Element 4211449 ×1
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Medium Azure Part 34103 Element 6465291 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Red Part 99780 Element 6089698 ×4
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version Red Part 4304 Element 6469446 ×1
  • Bracket 1 x 2 - 1 x 2 Tan Part 99781 Element 6249809 or 6092684 ×2
  • Bracket 2 x 2 with 1 x 2 Vertical Studs White Part 41682 Element 6615545 or 6250019 ×2

Tiles 23 pieces

  • Tile 1 x 1 with Groove Black Part 3070b Element 307026 1 spare in the box ×3
  • Tile 1 x 3 Black Part 63864 Element 4558170 ×2
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×2
  • Tile 2 x 4 with Groove Black Part 87079 Element 4560182 ×1
  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 1 spare in the box ×1
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×2
  • Tile 1 x 3 Medium Azure Part 63864 Element 6097492 ×1
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Tile 1 x 3 Red Part 63864 Element 4533742 ×2
  • Tile 1 x 1 with Groove Trans-Red Part 3070b Element 6581817 or 6254248 1 spare in the box ×2
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×4

Bricks Curved 20 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×4
  • Brick Curved 2 x 4 x 2/3 No Studs, with Bottom Tubes Black Part 88930 Element 4587844 ×1
  • Brick Curved 4 x 1 Double, No Studs Black Part 93273 Element 4613153 ×2
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Dark Bluish Gray Part 47457 Element 4218696 ×1
  • Brick Curved 1 x 4 x 2/3 Double, No Studs Light Bluish Gray Part 79756 Element 6402876 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Light Bluish Gray Part 11477 Element 6028813 ×1
  • Brick Curved 2 x 2 x 2/3 Light Bluish Gray Part 15068 Element 6102357 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Medium Azure Part 11477 Element 6603334 or 6071246 ×3
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Red Part 11477 Element 6029946 ×1
  • Brick Curved Inverted 2 x 1 White Part 24201 Element 6601928 or 6172927 ×3

Bricks Sloped 20 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×3
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Black Part 4871 Element 4188534 or 487126 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Medium Azure Part 54200 Element 6603283 or 4619520 1 spare in the box ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Medium Azure Part 3040b Element 6603301 or 4619655 ×3
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Red Part 54200 Element 5074621 or 4504379 1 spare in the box ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Trans-Clear Part 3040b Element 6507936 or 6277460 ×3
  • Brick Sloped Inverted 33° 3 x 1 with Internal Stopper and No Front Stud Connection White Part 4287c Element 6552111 or 428701 ×2

Wheels and Tyres 20 pieces

  • Tyre 14 x 6 Solid Smooth Black Part 50951 Element 4246901 ×4
  • Tyre 21 x 9.9 Black Part 11209 Element 6029208 ×6
  • Wheel 11 x 6 with 8 Spokes Light Bluish Gray Part 93593 Element 4621178 ×4
  • Wheel 14mm D. x 9.9mm with Centre Groove, Fake Bolts and 6 Spokes Light Bluish Gray Part 11208 Element 6029209 ×6

Plates Round Curved and Dishes 13 pieces

  • Plate Round 1 x 1 with Solid Stud Light Bluish Gray Part 6141 Element 4211525 1 spare in the box ×2
  • Plate Special 1 x 2 Rounded with 2 Open Studs Light Bluish Gray Part 35480 Element 6248890 ×8
  • Plate Special 1 x 3 Rounded with 3 Open Studs Light Bluish Gray Part 77850 Element 6446028 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Clear Part 6141 Element 6514052 or 6240030 1 spare in the box ×2

Bricks Special 11 pieces

  • Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Black Part 11215 Element 6039194 ×1
  • Brick Special 1 x 1 with Studs on 2 Adjacent Sides Black Part 26604 Element 6187572 ×2
  • Brick Special 1 x 1 with Stud on 1 Side Dark Bluish Gray Part 87087 Element 4558955 ×2
  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Light Bluish Gray Part 22885 Element 6123809 ×4
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Medium Azure Part 32952 Element 6465292 ×2

Tiles Special 11 pieces

  • Tile Special 2 x 2 Corner with Cut Corner - Facet Black Part 27263 Element 6166859 ×2
  • Tile Special Round 2 x 2 with Hole Dark Bluish Gray Part 15535 Element 6055313 ×1
  • Tile Special 2 x 2 Corner with Cut Corner - Facet Light Bluish Gray Part 27263 Element 6177078 ×2
  • Tile Special 2 x 2 with Top Pin [Squared Holes] Light Bluish Gray Part 49153 Element 6313188 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Metallic Silver Part 2412b Element 6051422 or 4579833 ×4

Bars, Ladders and Fences 8 pieces

  • Bar 6L with Stop Ring Light Bluish Gray Part 63965 Element 6170418 or 6081975 ×2
  • Bar Holder with Hole and Bar Handle Light Bluish Gray Part 23443 Element 6343976 or 6152107 ×2
  • Bar, Angled with 1 x 1 Round Plate / Stud on End Light Bluish Gray Part 65578 Element 6510189 or 6326748 1 spare in the box ×2
  • Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Orange Part 58176 Element 6507868 or 6171764 1 spare in the box ×2

Bricks 8 pieces

  • Brick 1 x 4 Black Part 3010 Element 301026 ×1
  • Brick 1 x 3 Medium Azure Part 3622 Element 6223734 ×1
  • Brick 2 x 4 Red Part 3001 Element 300121 ×1
  • Brick 1 x 2 without Bottom Tube Trans-Clear Part 3065 Element 6514262 or 6244904 ×2
  • Brick 2 x 2 without Inside Ridges Trans-Clear Part 6223 Element 6514093 or 6239418 ×2
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×1

Plates Wedged 5 pieces

  • Wedge Plate 3 x 6 Cut Corners Dark Bluish Gray Part 2419 Element 4210984 ×2
  • Wedge Plate 2 x 2 Cut Corner Medium Azure Part 26601 Element 6249415 ×1
  • Wedge Plate 2 x 2 Cut Corner Red Part 26601 Element 6173961 ×2

Minifig Upper Body 4 pieces

  • Arm Mechanical with Clip [Thick Support] Dark Bluish Gray Part 98313 Element 6276870 or 6012812 ×4

Technic Bricks 4 pieces

  • Technic Brick 1 x 2 [2 Pin Holes] Dark Bluish Gray Part 32000 Element 4210762 ×2
  • Technic Brick 1 x 1 with Pin Hole Light Bluish Gray Part 6541 Element 4211535 ×2

Transportation - Land 4 pieces

  • Wheel Arch, Mudguard 4 x 2 1/2 x 1 Black Part 98282 Element 6170505 or 4648117 ×2
  • Exhaust Pipe with Technic Pin - Flat End, Squared Hole Light Bluish Gray Part 65571 Element 6313096 ×2

Bricks Wedged 2 pieces

  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Red Part 29120 Element 6177505 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Red Part 29119 Element 6177507 ×1

Panels 2 pieces

  • Panel 1 x 2 x 3 [Side Supports / Hollow Studs] Light Bluish Gray Part 87544 Element 4585429 ×2

Pneumatics 2 pieces

  • Pneumatic T-Piece (T Bar) [New Style] Light Bluish Gray Part 4697b Element 4211508 1 spare in the box ×2

Technic Pins 2 pieces

  • Technic Pin 1/2 with Friction Dark Bluish Gray Part 89678 Element 6395635 1 spare in the box ×2

Tiles Round and Curved 2 pieces

  • Tile Round 1 x 1 Quarter Red Part 25269 Element 6170390 1 spare in the box ×2

Transportation - Sea and Air 2 pieces

  • Propeller 3 Blade Small Black Part 2421 Element 6170693 or 4289255 ×1
  • Propeller 4 Blade 5 Diameter with Rounded Ends, Closed Hub Black Part 67737 Element 6324143 ×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.

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