Free tool

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.

Blue Sprinter

Checking

8163 Blue Sprinter

110 pieces in 54 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 17 pieces

  • Plate 2 x 10 Black Part 3832 Element 383226 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×3
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×6
  • Plate 1 x 4 Blue Part 3710 Element 371023 ×2
  • Plate 1 x 6 Blue Part 3666 Element 366623 ×1
  • Plate 2 x 2 Corner Blue Part 2420 Element 242073 or 242023 ×2
  • Plate 2 x 8 Dark Bluish Gray Part 3034 Element 4210997 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×1

Bricks Curved 13 pieces

  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Blue Part 6091 Element 6347945 or 4519981 ×4
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Blue Part 47457 Element 4496366 ×1
  • Brick Curved 4 x 1 No Studs [Stud Holder with Asymmetric Ridges] Blue Part 61678 Element 4540048 ×4
  • Brick Curved 3 x 1 No Studs White Part 50950 Element 6548268 or 4249112 ×4

Wheels and Tyres 12 pieces

  • Tyre 30.4 x 14 VR Solid Black Part 58090 Element 6601610 or 4550937 ×4
  • Wheel 18mm x 14mm with Axle Hole, Fake Bolts and Shallow Spokes Black Part 55982 Element 4517737 ×4
  • Wheel Cover 9 Spoke - 24mm D. Pearl Light Gray Part 62701 Element 4527058 ×4

Technic Axles 10 pieces

  • Technic Axle 10 Black Part 3737 Element 373726 ×1
  • Technic Axle 4 Black Part 3705 Element 370526 ×1
  • Technic Axle 6 Black Part 3706 Element 370626 ×2
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×5

Plates Round Curved and Dishes 6 pieces

  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×4
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×2

Technic Beams 6 pieces

  • Technic Beam 1 x 11.5 Double Bent Thick Black Part 32009 Element 6271152 or 4111998 ×2
  • Technic Beam 3 x 3 L-Shape Thin Light Bluish Gray Part 32056 Element 6271815 or 4211574 ×2
  • Technic Beam 1 x 2 Thin Red Part 41677 Element 6371442 or 4186678 ×2

Technic Bricks 6 pieces

  • Technic Brick 1 x 8 [7 Pin Holes] Black Part 3702 Element 370226 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Dark Bluish Gray Part 32064b ×2
  • Technic Brick 1 x 4 [3 Pin Holes] Light Bluish Gray Part 3701 Element 4211441 ×2

Tiles 6 pieces

  • Tile 1 x 8 with Groove Blue Part 4162 Element 416223 ×2
  • Tile 2 x 2 with Groove Blue Part 3068b Element 306823 ×2
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2

Bricks 4 pieces

  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×2
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×1
  • Brick 1 x 8 Dark Bluish Gray Part 3008 Element 4211099 ×1

Plates Wedged 4 pieces

  • Wedge Plate 3 x 2 Left Blue Part 43723 Element 4498156 or 4280150 ×1
  • Wedge Plate 3 x 2 Right Blue Part 43722 Element 4498155 or 4280149 ×1
  • Wedge Plate 4 x 2 Left White Part 41770 Element 6552119 or 4161326 ×1
  • Wedge Plate 4 x 2 Right White Part 41769 Element 6552118 or 4160857 ×1

Technic Bushes 4 pieces

  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×4

Technic Pins 4 pieces

  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×2

Bricks Sloped 3 pieces

  • Brick Sloped 33° 3 x 2 Black Part 3298 Element 329826 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 1 spare in the box ×2

Bricks Wedged 3 pieces

  • Brick Wedged, Curved 4 x 4 No Top Studs Black Part 47753 Element 4219107 ×1
  • Brick Wedged, Angled 3 x 2 Left Blue Part 6565 Element 6214163 or 4540057 ×1
  • Brick Wedged, Angled 3 x 2 Right Blue Part 6564 Element 6214162 or 4540056 ×1

Plates Special 3 pieces

  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×1
  • Bracket 1 x 2 - 2 x 2 White Part 44728 Element 6619296 or 6117940 ×2

Technic Connectors 3 pieces

  • Technic Axle Connector Double Flexible [Rubber] Black Part 45590 Element 4198367 ×2
  • Technic Axle Connector Smooth [with x Hole + Orientation] Light Bluish Gray Part 59443 Element 4512360 ×1

Tiles Special 2 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Blue Part 2412b Element 241223 ×2

Transportation - Land 2 pieces

  • Wheel Arch, Mudguard, 1 1/2 x 6 x 1 [Arch Extended] Blue Part 62361 Element 6584953 or 6476018 ×2

Mechanical 1 piece

  • Pullback Motor 9 x 4 x 2 2/3 Dark Bluish Gray Part 47715 Element 4221427 ×1

Stickers 1 piece

  • Sticker Sheet for Set 8163-1 [No Color/Any Color] Part 84561 Element 4540323 ×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.