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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.

Williams

Checking

71049-7 Williams

29 pieces in 18 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.

Show

Piece checklist

Wheels and Tyres 8 pieces

  • Tyre 14 x 6 Solid Smooth Black Part 50951 Element 4246901 ×4
  • Wheel 11 x 8 with Center Groove, One Smooth Side with Black Circles Print White Part 6683pr0001 Element 6523196 ×4

Technic Pins 4 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise White Part 3749 Element 6531590 or 4191056 ×4

Bricks Curved 3 pieces

  • Brick Curved 2 x 1 No Studs with White 'W', White/Red Stripes, Black Triangles Print Blue Part 11477pr0033 Element 6523208 ×1
  • Brick Curved 2 x 1 No Studs with White Stripes on Blue Background Print Dark Blue Part 11477pr0034 Element 6523209 ×2

Plates Special 2 pieces

  • Plate Special Round 1 x 1 with Hollow Stud and Bar on Underside - Long Space Black Part 79194 Element 6510216 or 6356406 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Blue Part 61252 Element 6347291 or 4520946 ×1

Tiles Round and Curved 2 pieces

  • Tile Round 1 x 1 Quarter Dark Blue Part 25269 Element 6554207 or 6199890 ×2

Tiles Special 2 pieces

  • Tile Special 1 x 2 with Minifig Neck Pin Black Part 24445 Element 6533523 or 6133394 ×1
  • Tile Special Round 1 x 1 with Hollow Bar Blue Part 20482 Element 6482748 1 spare in the box ×1

Transportation - Land 2 pieces

  • Vehicle Base 3 x 9 (Formula 1 CMF) Black Part 6667 Element 6508840 ×1
  • Vehicle Body, Front Fender 1 x 4, Formula 1 Black Part 6682 Element 6508841 ×1

Bars, Ladders and Fences 1 piece

  • Bar, Curved U-Shape 2 x 3 Dark Blue Part 7052 Element 6535351 ×1

Bricks Sloped 1 piece

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Blue Part 54200 Element 4504374 or 4502092 1 spare in the box ×1

Minifig Heads 1 piece

  • Minifig Head [Plain] [Vented Stud - 2 Holes] White Part 28621 Element 6550193 or 6454713 ×1

Minifig Headwear 1 piece

  • Helmet, Formula 1 with Trans-Black Visor Pattern and White Stripes Print Dark Blue Part 7071pat0001pr0005 Element 6523211 ×1

Plates 1 piece

  • Plate 1 x 1 Orange Part 3024 Element 4524929 or 4203454 1 spare in the box ×1

Tiles 1 piece

  • Tile 1 x 2 with White 'WILLIAMS' Print Black Part 3069bpr9920 Element 6523210 ×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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