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.

Rally Racer

Checking

7801 Rally Racer

42 pieces in 25 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

Black 17 pieces

  • Bracket 1 x 2 - 1 x 4 [Square Corners] Black Part 2436 Element 4282746 or 243626 ×1
  • Brick Curved 2 x 4 x 2/3 No Studs, with Bottom Tubes Black Part 88930 Element 4587844 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×1
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate Special 2 x 2 with Wheels Holder Wide Black Part 6157 Element 615726 ×2
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×1
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tyre 14 x 6 Solid Smooth Black Part 50951 Element 4246901 ×4
  • Wheel 11 x 6 mm with Five Spokes and Silver Print Black Part 50944pr0001 Element 6022424 or 4248538 ×4

Red 17 pieces

  • Bracket 1 x 2 - 1 x 4 [Square Corners] Red Part 2436 Element 4282742 or 243621 ×2
  • Brick 1 x 4 Red Part 3010 Element 301021 ×2
  • Plate 1 x 2 Red Part 3023 Element 302321 ×2
  • Plate 1 x 4 Red Part 3710 Element 371021 ×1
  • Plate 2 x 2 Corner Red Part 2420 Element 242071 or 242021 ×4
  • Plate 2 x 4 Red Part 3020 Element 302021 ×2
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×1
  • Tile 2 x 2 with Groove Red Part 3068b Element 306821 ×1
  • Wheel Arch, Mudguard 2 x 4 Studded Red Part 3788 Element 378821 ×2

White 3 pieces

  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×1
  • Plate 4 x 4 White Part 3031 Element 6552127 or 4243812 ×1

Trans-Brown 2 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Brown Part 54200 Element 6245263 or 4244368 ×2

Trans-Yellow 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×2

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 7801-1 [No Color/Any Color] Part 86013 Element 4547592 ×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.