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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.

Red Go-Kart

Checking

31030 Red Go-Kart

106 pieces in 49 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 19 pieces

  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×3
  • Plate 2 x 6 Black Part 3795 Element 379526 ×4
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×2
  • Plate 2 x 2 Corner Blue Part 2420 Element 242073 or 242023 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×3
  • Plate 1 x 2 Trans-Yellow Part 3023 Element 6514002 or 6240211 ×3

Plates Special 17 pieces

  • Plate Special 1 x 2 [Side Handle Closed Ends] Black Part 48336 Element 4225201 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Black Part 60478 Element 4515368 ×4
  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Light Bluish Gray Part 2540 Element 4211632 ×2
  • Plate Special 1 x 2, Top Clip [Split] Light Bluish Gray Part 92280 Element 4598526 ×2
  • Plate Special 3 x 2 with Rounded End, Hole Light Bluish Gray Part 3176 Element 4211419 ×2
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners] Red Part 10201 Element 6089576 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Red Part 63868 Element 6346804 or 4534648 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] White Part 60470b Element 6347287 or 4556152 ×1

Technic Pins 9 pieces

  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×2
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×4

Bricks Curved 8 pieces

  • Brick Curved 4 x 1 Double, No Studs Red Part 93273 Element 4633914 ×1
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Red Part 11153 Element 6583512 or 6045937 ×6
  • Brick Curved 2 x 2 x 2/3 White Part 15068 Element 6552147 or 6047220 ×1

Technic Bricks 8 pieces

  • Technic Brick 1 x 2 [1 Pin Hole] Light Bluish Gray Part 3700 Element 4211440 ×4
  • Technic Brick 1 x 8 [7 Pin Holes] Light Bluish Gray Part 3702 Element 4211442 ×2
  • Technic Brick 1 x 6 [5 Pin Holes] Red Part 3894 Element 389421 ×2

Wheels and Tyres 8 pieces

  • Tyre 24 x 14 Shallow Tread (Tread Small Hub), Band Around Center of Tread Black Part 89201 Element 6132299 or 4639695 ×4
  • Wheel 18mm x 14mm with Axle Hole, Fake Bolts and Shallow Spokes Light Bluish Gray Part 55982 Element 4490127 ×4

Bricks Sloped 6 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Blue Part 54200 Element 4504380 or 4296154 1 spare in the box ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Blue Part 85984 Element 4651236 ×4

Tiles 5 pieces

  • Tile 1 x 2 with Groove Medium Blue Part 3069b Element 4168345 ×2
  • Tile 2 x 2 with Groove Medium Blue Part 3068b Element 4528357 or 4188291 ×2
  • Tile 2 x 4 with Groove Red Part 87079 Element 4560179 ×1

Plates Round Curved and Dishes 4 pieces

  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 1 spare in the box ×4

Bricks Round and Cones 3 pieces

  • Brick Round 2 x 2 with Axle Hole Light Bluish Gray Part 3941 Element 4211526 ×1
  • Cone 1 x 1 [Top Groove] Light Bluish Gray Part 59900 Element 4529241 ×2

Technic Axles 3 pieces

  • Technic Axle 9 Light Bluish Gray Part 60485 Element 4535768 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2

Technic Steering, Suspension and Engine 3 pieces

  • Technic Steering Arm with 2 Pins Black Part 32069 Element 6278276 or 4114671 ×2
  • Technic Steering Wheel Small (3 Studs Diameter) Light Bluish Gray Part 2819 Element 4580510 or 4211578 ×1

Bricks Special 2 pieces

  • Brick Special 1 x 4 with 4 Studs on One Side Red Part 30414 Element 4177991 or 4157223 ×2

Hinges, Arms and Turntables 2 pieces

  • Hinge Brick 1 x 2 Top Plate Thin Black Part 3938 Element 393826 ×1
  • Hinge Brick 1 x 2 Base Light Bluish Gray Part 3937 Element 4211469 ×1

Technic Bushes 2 pieces

  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 1 spare in the box ×2

Technic Connectors 2 pieces

  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Light Bluish Gray Part 32184 Element 6276969 or 4211621 ×2

Technic Gears 2 pieces

  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Black Part 18575 Element 6346535 or 6093977 ×1
  • Technic Gear Rack 1 x 4 Black Part 3743 Element 6457282 or 4205760 ×1

Tiles Special 2 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×2

Plates Wedged 1 piece

  • Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Red Part 90194 Element 6170523 or 4649048 ×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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