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.

Butterfly

Checking

7607 Butterfly

29 pieces in 11 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

Red 11 pieces

  • Brick Curved 2 x 2 with Lip, No Studs Red Part 30602 Element 6247388 or 4144413 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×2
  • Plate Round Corner 3 x 3 Red Part 30357 Element 4178428 or 3035721 ×4
  • Plate Round Corner 4 x 4 Red Part 30565 Element 6297811 or 6106370 ×4

Yellow 8 pieces

  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×2
  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 ×4
  • Tile Round 2 x 2 with Bottom Cross Yellow Part 4150 Element 415074 or 415024 ×2

Black 6 pieces

  • Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Black Part 73983 Element 6102782 or 74011 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 ×4

Blue 2 pieces

  • Plate Round 1 x 1 with Solid Stud Blue Part 6141 Element 614123 ×2

White 2 pieces

  • Lever Small Base with Black Lever White Part 298c02 Element 73737 ×2

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.