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.

Biplane

Checking

430 Biplane

18 pieces in 10 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

Yellow 8 pieces

  • Brick 2 x 10 Yellow Part 3006 Element 6119276 or 6073100 ×1
  • Brick Round 1 x 1 Solid Stud Yellow Part 3062a ×4
  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×1
  • Plate Special 2 x 2 with Helicopter Tail Rotor Holder Yellow Part 3481 ×1
  • Tile 2 x 2 without Groove Yellow Part 3068a ×1

Red 5 pieces

  • Plate 2 x 8 Red Part 3034 Element 303421 ×5

Black 3 pieces

  • Brick Special 2 x 2 [Red Wheels for Single Tyre] Black Part 3137c01 ×1
  • Tyre 14 x 4 Smooth Small Single Black Part 3139 Element 313926 ×2

Light Gray 1 piece

  • Propeller 2 Blade Light Gray Part 3480 ×1

Trans-Clear 1 piece

  • Brick 2 x 2 without Inside Ridges Trans-Clear Part 3003a ×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.