BlockTalk Find Your Set

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.

House with Mini-Wheel Car

Checking

345-3 House with Mini-Wheel Car

132 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

Bricks 51 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×1
  • Brick 1 x 2 Black Part 3004 Element 300426 ×3
  • Brick 1 x 4 Black Part 3010 Element 301026 ×2
  • Brick 1 x 6 Black Part 3009 Element 300926 ×4
  • Brick 1 x 8 Black Part 3008 Element 300826 ×4
  • Brick 2 x 4 without Cross Supports Black Part 3001a ×1
  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×8
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×13
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×5
  • Brick 1 x 4 with Black Car Grill Print White Part 3010pr9969 ×1
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×3
  • Brick 1 x 8 White Part 3008 Element 6550134 or 300801 ×1
  • Brick 2 x 3 without Cross Supports White Part 3002a ×1
  • Brick 2 x 4 without Cross Supports White Part 3001a ×4

Tiles 26 pieces

  • Tile 2 x 2 without Groove Black Part 3068a ×6
  • Tile 2 x 2 without Groove White Part 3068a ×20

Plates 20 pieces

  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 4 x 10 Black Part 3030 Element 303076 or 303026 ×2
  • Plate 6 x 8 Black Part 3036 Element 303676 or 303626 ×3
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×13

Bars, Ladders and Fences 10 pieces

  • Fence Gate 1 x 4 x 2 Red Part 3186 ×2
  • Fence Gate 1 x 4 x 2 Base Red Part 3187 ×2
  • Fence Lattice 1 x 4 x 2 Red Part 3185 Element 318521 ×5
  • Antenna with Side Spokes White Part 3144 ×1

Windows and Doors 9 pieces

  • Door 1 x 2 x 3 Left with Hollow Studs, Fixed Glass Red Part 32bc01 ×2
  • Window 1 x 1 x 2, Extended Lip, Hollow Stud [with Glass] Red Part 29bc01 ×1
  • Window 1 x 2 x 1, Extended Lip, Hollow Stud [with Glass] Red Part 27bc01 ×2
  • Window 1 x 2 x 2 Classic, Extended Lip, Hollow Studs [with Glass] Red Part 3081bc01 ×1
  • Window 1 x 3 x 2 Classic with Long Sill [Complete] Red Part 31bc01 ×2
  • Window 1 x 6 x 3 Panorama with Glass and Hollow Studs Red Part 604c01 ×1

Wheels and Tyres 6 pieces

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

Bricks Round and Cones 4 pieces

  • Brick Round Corner 2 x 2 Macaroni with Stud Notch Red Part 3063b Element 306321 ×4

Plants & Trees 3 pieces

  • Plant, Tree Flat Bush painted with hollow base Green Part upn0394 ×1
  • Plant, Tree Flat Oak painted with hollow base Green Part upn0404 ×1
  • Plant, Tree Flat Pine painted with hollow base Green Part upn0401 ×1

Bricks Sloped 2 pieces

  • Brick Sloped 45° 2 x 4 Black Part 3037 Element 303726 ×1
  • Brick Sloped 45° 2 x 4 Trans-Clear Part 3037 Element 303740 ×1

Baseplates 1 piece

  • Baseplate 24 x 32 with Rounded Corners and Dots Print [345] Green Part 10apr0004 ×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.

We value your privacy

We use cookies 🍪 for analytics and to improve your experience. Read our privacy policy