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.

Universal Building Set

Checking

9 Universal Building Set

116 pieces in 29 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 76 pieces

  • Brick 2 x 4 without Cross Supports Black Part 3001a ×6
  • Brick 1 x 4 Blue Part 3010 Element 301023 ×2
  • Brick 2 x 2 without Inside Ridges Blue Part 3003a ×6
  • Brick 2 x 3 without Cross Supports Blue Part 3002a ×4
  • Brick 2 x 4 without Cross Supports Blue Part 3001a ×10
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×4
  • Brick 2 x 10 Red Part 3006 Element 4617857 or 300621 ×1
  • Brick 2 x 2 without Inside Ridges Red Part 3003a ×8
  • Brick 2 x 3 without Cross Supports Red Part 3002a ×4
  • Brick 2 x 4 without Cross Supports Red Part 3001a ×15
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×4
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×2
  • Brick 2 x 3 without Cross Supports Yellow Part 3002a ×4
  • Brick 2 x 4 without Cross Supports Yellow Part 3001a ×6

Windows and Doors 18 pieces

  • Window 1 x 2 x 3 Shutter Green Part 3856 Element 385628 ×2
  • Door 1 x 4 x 5 with 4 Panes, Squared Base White Part 3861b Element 4160992 or 386101 ×1
  • Window 1 x 2 x 3 Pane White Part 3854 Element 385401 ×10
  • Window 1 x 4 x 3 White Part 3853 Element 4175392 or 385301 ×5

Bricks Sloped 9 pieces

  • Brick Sloped 33° 2 x 2 Double Blue Part 3300 Element 330023 ×2
  • Brick Sloped 33° 2 x 4 Double Blue Part 3299 Element 329923 ×1
  • Brick Sloped 33° 3 x 4 Blue Part 3297 Element 6088711 or 329723 ×4
  • Brick Sloped 45° 2 x 4 Trans-Clear Part 3037 Element 303740 ×2

Wheels and Tyres 6 pieces

  • Brick Special 2 x 2 [Red Wheels for Single Tyre] Black Part 3137c01 ×2
  • Tyre 15 x 6 Offset Tread Small Black Part 3641 Element 4501046 or 364126 ×4

Bars, Ladders and Fences 3 pieces

  • Fence Lattice 1 x 4 x 2 Yellow Part 3185 Element 318524 ×3

Plates 2 pieces

  • Plate 4 x 8 Blue Part 3035 Element 303523 ×1
  • Plate 4 x 4 Red Part 3031 Element 4243814 or 303121 ×1

Baseplates 1 piece

  • Baseplate 14 x 20 Green Part upn0205 ×1

Plants & Trees 1 piece

  • Plant, Pine Tree, Large, 4 x 4 x 6 2/3 Green Part 3471 Element 6248463 or 347128 ×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.

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