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.

Pillars and Beams

Checking

10045 Pillars and Beams

13 pieces in 3 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

Black 10 pieces

  • Support 2 x 16 x 2 Girder Triangular Horizontal Black Part 30518 Element 4535370 or 4142884 ×4
  • Support 2 x 2 x 10 Girder Triangular Vertical - Type 1 - Solid Top, 3 Posts Black Part 30517 Element 4289615 or 4228192 ×6

Dark Gray 3 pieces

  • Plate 2 x 10 Dark Gray Part 3832 Element 4141769 or 383227 ×3

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.