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.

Basic Set

Checking

366 Basic Set

187 pieces in 40 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 49 pieces

  • Brick 2 x 10 Yellow Part 3006 Element 6119276 or 6073100 ×2
  • Brick 2 x 2 with Eye [No Pupils] Print on Two Sides, Offset Yellow Part 3003pr0052 ×4
  • Brick 2 x 2 without Inside Ridges Yellow Part 3003a ×12
  • Brick 2 x 3 Yellow Part 3002 Element 300224 ×4
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×8
  • Brick 2 x 4 with Smile and Frown Print on Opposite Sides Yellow Part 3001pr0043 Element 80141 ×2
  • Brick 2 x 8 Yellow Part 3007 Element 4639693 or 300724 ×2
  • Brick 4 x 12 Yellow Part 4202 Element 4227532 or 4108124 ×1
  • Door 1 x 4 x 5 Yellow Part 4131 Element 4521099 ×2
  • Fence Lattice 1 x 4 x 2 Yellow Part 3185 Element 318524 ×8
  • Window 2 x 4 x 3 Pane Yellow Part 4133 Element 4113170 or 4101806 ×4

Black 42 pieces

  • Brick 2 x 2 without Inside Ridges Black Part 3003a ×12
  • Brick 2 x 3 Black Part 3002 Element 300226 ×4
  • Brick 2 x 4 Black Part 3001 Element 300126 ×8
  • Brick Special 2 x 2 [Red Wheels for Single Tyre] Black Part 3137c01 ×2
  • Brick Special 2 x 4 with Wheels, Freestyle Red Black Part 4180c02 ×4
  • Tyre 15 x 6 Offset Tread Small Black Part 3641 Element 4501046 or 364126 ×4
  • Tyre Offset Tread 24 x 8 Black Part 3483 Element 4501048 or 348326 ×8

Red 33 pieces

  • Brick 2 x 2 without Inside Ridges Red Part 3003a ×12
  • Brick 2 x 3 Red Part 3002 Element 300271 or 300221 ×4
  • Brick 2 x 4 Red Part 3001 Element 300121 ×8
  • Brick 2 x 8 Red Part 3007 Element 6036408 or 300721 ×2
  • Brick 4 x 12 Red Part 4202 Element 4140752 or 420221 ×1
  • Door Frame 2 x 4 x 5 Red Part 4130 ×2
  • Window 2 x 4 x 3 Frame with Solid Studs Red Part 4132 Element 413221 ×4

Blue 27 pieces

  • Brick 2 x 2 without Inside Ridges Blue Part 3003a ×12
  • Brick 2 x 3 Blue Part 3002 Element 300223 ×4
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×8
  • Brick 2 x 8 Blue Part 3007 Element 6037384 or 300723 ×2
  • Brick 4 x 12 Blue Part 4202 Element 4230930 or 4160093 ×1

White 26 pieces

  • Brick 2 x 2 without Inside Ridges White Part 3003a ×12
  • Brick 2 x 3 White Part 3002 Element 6550133 or 300251 ×4
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×8
  • Flag on Flagpole, Straight with Red Lego Print White Part 3596pr0002 ×2

Green 4 pieces

  • Brick 8 x 16 Green Part 4204 Element 4181116 or 420428 ×1
  • Brick 8 x 8 Green Part 4201 Element 4181132 or 420128 ×1
  • Plant, Pine Tree, Large, 4 x 4 x 6 2/3 Green Part 3471 Element 6248463 or 347128 ×2

Trans-Clear 4 pieces

  • Brick 2 x 4 without Cross Supports Trans-Clear Part 3001a ×4

[No Color/Any Color] 2 pieces

  • Basic Figure Finger Puppet Female [Red, Black Hair] [No Color/Any Color] Part fig0001 ×1
  • Basic Figure Finger Puppet Male [Blue, Brown Hair] [No Color/Any Color] Part fig0002 ×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.