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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 Building Set

Checking

033-2 Basic Building Set

177 pieces in 34 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Red 80 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×4
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×10
  • Brick 1 x 6 Red Part 3009 Element 300921 ×2
  • Brick 2 x 10 Red Part 3006 Element 4617857 or 300621 ×1
  • Brick 2 x 2 without Inside Ridges Red Part 3003a ×10
  • Brick 2 x 3 without Cross Supports Red Part 3002a ×10
  • Brick 2 x 4 without Cross Supports Red Part 3001a ×32
  • Brick 2 x 8 Red Part 3007 Element 6036408 or 300721 ×2
  • Door 1 x 2 x 3 Left with Hollow Studs, Fixed Glass Red Part 32bc01 ×1
  • Wheel Old with 4 Studs Red Part 7039 Element 7039 ×4
  • Window 1 x 4 x 2 Classic with Long Sill [Complete] Red Part 453bc01 ×2
  • Window 1 x 6 x 2 [Old Style Extended Lip & Glass] Red Part 645bc01 ×2

White 71 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×4
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 Also in Trans-Clear ×8
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×2
  • Brick 2 x 10 White Part 3006 Element 4617855 or 300601 ×1
  • Brick 2 x 2 without Inside Ridges White Part 3003a Also in Trans-Clear ×10
  • Brick 2 x 3 without Cross Supports White Part 3002a ×10
  • Brick 2 x 4 without Cross Supports White Part 3001a Also in Trans-Clear ×28
  • Brick 2 x 8 White Part 3007 Element 6619309 or 6033776 ×2
  • Brick Special 2 x 4 with Wheel Holder Old, Clear Bottom, Red Inside White Part 7049bc01 ×2
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×2
  • Plate 4 x 8 White Part 3035 Element 6609533 or 303501 ×2

Black 9 pieces

  • Brick 1 x 2 Black Part 3004 Element 300426 ×2
  • Brick 2 x 2 without Inside Ridges Black Part 3003a ×3
  • Tyre Smooth Old Style - Small Black Part 132a ×4

Yellow 8 pieces

  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×2
  • Brick 2 x 2 without Inside Ridges Yellow Part 3003a ×4
  • Brick 2 x 4 without Cross Supports Yellow Part 3001a ×2

Trans-Clear 6 pieces

  • Brick 1 x 2 Trans-Clear Part 3004 Element 4256587 or 300410 Also in White ×2
  • Brick 2 x 2 without Inside Ridges Trans-Clear Part 3003a Also in White ×2
  • Brick 2 x 4 without Cross Supports Trans-Clear Part 3001a Also in White ×2

Blue 2 pieces

  • Brick 2 x 4 without Cross Supports Blue Part 3001a ×2

Light Gray 1 piece

  • Brick 10 x 20 without Bottom Tubes, with '+' Cross Support (early Baseplate) Light Gray Part 700b ×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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