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.

Small Blue Bucket

Checking

7832 Small Blue Bucket

200 pieces in 58 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.

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Piece checklist

Orange 34 pieces

  • Brick 1 x 2 Orange Part 3004 Element 4613981 or 4121739 ×8
  • Brick 1 x 4 Orange Part 3010 Element 4118827 ×2
  • Brick 2 x 2 Orange Part 3003 Element 4153825 or 4119643 ×6
  • Brick 2 x 3 Orange Part 3002 Element 4153826 or 4125971 ×2
  • Brick 2 x 4 Orange Part 3001 Element 4153827 or 4119641 ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Orange Part 3040b Element 4121967 or 4118901 ×4
  • Brick Sloped Inverted 45° 2 x 1 Orange Part 3665 Element 4616279 or 4515954 ×4
  • Plate 2 x 3 Orange Part 3021 Element 4125278 ×2
  • Plate 2 x 4 Orange Part 3020 Element 4158355 or 4122468 ×2

Blue 31 pieces

  • Antenna 1 x 4 with Rounded Top Blue Part 3957a Element 395723 ×1
  • Brick 1 x 1 Blue Part 3005 Element 300523 ×8
  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×8
  • Brick 1 x 6 Blue Part 3009 Element 300923 ×2
  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×4
  • Brick 2 x 3 Blue Part 3002 Element 300223 ×2
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×2
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×2
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×2

Light Gray 26 pieces

  • Brick 1 x 2 Light Gray Part 3004 Element 300402 ×8
  • Brick 1 x 8 Light Gray Part 3008 Element 300802 ×2
  • Brick 2 x 2 Light Gray Part 3003 Element 4103591 or 300352 ×6
  • Brick 2 x 3 Light Gray Part 3002 Element 300252 or 300202 ×2
  • Brick 2 x 4 Light Gray Part 3001 Element 4116259 or 300102 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Gray Part 3040b Element 4121933 or 304002 ×2
  • Brick Sloped Inverted 45° 2 x 1 Light Gray Part 3665 Element 366502 ×2
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×2

Black 24 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×8
  • Brick 1 x 2 Black Part 3004 Element 300426 ×6
  • Brick 1 x 4 Black Part 3010 Element 301026 ×2
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×4
  • Brick 2 x 3 Black Part 3002 Element 300226 ×2
  • Brick 2 x 4 Black Part 3001 Element 300126 ×2

Yellow 23 pieces

  • Brick 1 x 1 with Eye Squinting Black and White Print Yellow Part 3005pr0002 Element 4143829 ×2
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×8
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×2
  • Brick 1 x 4 with Black Smile Print Yellow Part 3010pr9980 Element 82356 ×1
  • Brick 2 x 2 Yellow Part 3003 Element 4103588 or 300374 ×4
  • Brick 2 x 3 Yellow Part 3002 Element 300224 ×2
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×2
  • Brick 2 x 6 Yellow Part 2456 Element 4181143 or 245624 ×1
  • Flag 4 x 1 Wavy [First Wave Left] Yellow Part 4495a ×1

Green 20 pieces

  • Brick 1 x 1 Green Part 3005 Element 300528 ×6
  • Brick 1 x 2 Green Part 3004 Element 4107736 or 300428 ×4
  • Brick 2 x 2 Green Part 3003 Element 300328 ×4
  • Brick 2 x 4 Green Part 3001 Element 4106356 or 300128 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Green Part 3040b Element 4121969 or 4109668 ×2
  • Brick Sloped Inverted 45° 2 x 1 Green Part 3665 Element 4142989 or 4119659 ×2

Red 20 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×8
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×6
  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×4
  • Brick 2 x 3 Red Part 3002 Element 300271 or 300221 ×2

White 20 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×6
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×6
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×4
  • Brick 2 x 3 White Part 3002 Element 6550133 or 300251 ×2
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×2

Dark Gray 2 pieces

  • Brick 1 x 1 with Angry Eye Left / Sad Eye Right Print Dark Gray Part 3005pr9995 Element 4158808 ×1
  • Brick 1 x 1 with Angry Eye Right / Sad Eye Left Print Dark Gray Part 3005pr9994 Element 4158809 ×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.