The Workshop Sheet 10 of 22

LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Apple

Checking

7172 Apple

10 pieces in 7 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

Plates 4 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 ×1
  • Plate 2 x 2 Corner Green Part 2420 Element 4157120 or 242028 ×1
  • Plate 1 x 1 Red Part 3024 Element 302421 ×2

Bricks Curved 2 pieces

  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Red Part 6091 Element 6184782 or 609121 ×2

Bricks Sloped 2 pieces

  • Brick Sloped Inverted 45° 2 x 1 Red Part 3665 Element 366521 ×2

Bricks 1 piece

  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×1

Plates Special 1 piece

  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Red Part 3794a ×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.