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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.

Deluxe Basic Set

Checking

375 Deluxe Basic Set

383 pieces in 53 part and color combinations.

LEGO counts 375 pieces. This inventory comes from a separate parts catalog and lists 383; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

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

Bricks 327 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×5
  • Brick 1 x 2 Black Part 3004 Element 300426 ×4
  • Brick 2 x 2 without Inside Ridges Black Part 3003a ×3
  • Brick 2 x 3 without Cross Supports Black Part 3002a ×2
  • Brick 2 x 4 without Cross Supports Black Part 3001a ×3
  • Brick 1 x 1 Blue Part 3005 Element 300523 ×4
  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×4
  • Brick 1 x 6 without Bottom Tubes, with 2 Raised Cross Supports Blue Part 3009a ×2
  • Brick 1 x 8 without Bottom Tubes with Cross Side Supports Blue Part 3008a ×2
  • Brick 2 x 2 without Inside Ridges Blue Part 3003a ×3
  • Brick 2 x 3 without Cross Supports Blue Part 3002a ×2
  • Brick 2 x 4 without Cross Supports Blue Part 3001a ×6
  • Brick 10 x 20 without Bottom Tubes, with '+' Cross Support (early Baseplate) Light Gray Part 700b ×1
  • Brick 1 x 1 Red Part 3005 Element 300521 ×8
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×15
  • Brick 2 x 10 without Bottom Tubes, 1 End Slot Red Part 3006b ×2
  • Brick 2 x 2 without Inside Ridges Red Part 3003a ×18
  • Brick 2 x 3 without Cross Supports Red Part 3002a ×9
  • Brick 2 x 4 without Cross Supports Red Part 3001a ×75
  • Brick 2 x 8 without Bottom Tubes, with Cross Supports Red Part 3007a ×2
  • Brick 1 x 1 Trans-Clear Part 3005 Element 6514207 or 6220959 Also in White ×4
  • Brick 1 x 2 Trans-Clear Part 3004 Element 4256587 or 300410 Also in White ×4
  • Brick 2 x 2 without Inside Ridges Trans-Clear Part 3003a Also in White ×4
  • Brick 2 x 4 without Cross Supports Trans-Clear Part 3001a Also in White ×4
  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 Also in Trans-Clear ×8
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 Also in Trans-Clear ×14
  • Brick 2 x 10 without Bottom Tubes, 1 End Slot White Part 3006b ×2
  • Brick 2 x 2 without Inside Ridges White Part 3003a Also in Trans-Clear ×18
  • Brick 2 x 3 without Cross Supports White Part 3002a ×9
  • Brick 2 x 4 without Cross Supports White Part 3001a Also in Trans-Clear ×70
  • Brick 2 x 8 without Bottom Tubes, with Cross Supports White Part 3007a ×2
  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×4
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×4
  • Brick 2 x 2 without Inside Ridges Yellow Part 3003a ×2
  • Brick 2 x 3 without Cross Supports Yellow Part 3002a ×2
  • Brick 2 x 4 without Cross Supports Yellow Part 3001a ×6

Wheels and Tyres 20 pieces

  • Tyre Smooth Old Style - Small Black Part 132a ×8
  • Wheel Old with 4 Studs Red Part 7039 Element 7039 ×8
  • Brick Special 2 x 4 with Wheel Holder Old, Clear Bottom, Black Inside White Part 7049bc03 ×4

Bricks Sloped 16 pieces

  • Brick Sloped 45° 2 x 1 Double without Bottom Pin Red Part 3044a ×2
  • Brick Sloped 45° 2 x 2 Red Part 3039 Element 303921 ×4
  • Brick Sloped 45° 2 x 4 Red Part 3037 Element 303721 ×8
  • Brick Sloped 45° 2 x 4 Double Red Part 3041 Element 4144003 or 304121 ×2

Bricks Round and Cones 8 pieces

  • Brick Round 1 x 1 Solid Stud Red Part 3062a ×2
  • Brick Round Corner 2 x 2 Macaroni without Stud Notch Red Part 3063a ×2
  • Brick Round 1 x 1 Solid Stud White Part 3062a ×2
  • Brick Round Corner 2 x 2 Macaroni without Stud Notch White Part 3063a ×2

Plates 6 pieces

  • Plate 2 x 8 with Waffle Bottom White Part 3034a ×2
  • Plate 4 x 8 with Waffle Bottom White Part 3035a ×4

Windows and Doors 5 pieces

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

Hinges, Arms and Turntables 1 piece

  • Hinge Coupling, Two Connected 2 x 2 Plates [Nylon] Milky White Part 650 ×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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