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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.

LEGO Store Grand Opening Exclusive Set, Christiana Mall, Newark, DE

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Newark LEGO Store Grand Opening Exclusive Set, Christiana Mall, Newark, DE

133 pieces in 33 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

Plates 66 pieces

  • Plate 4 x 10 Black Part 3030 Element 303076 or 303026 ×1
  • Plate 1 x 1 Dark Bluish Gray Part 3024 Element 4210719 ×1
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 ×6
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×3
  • Plate 1 x 6 Dark Bluish Gray Part 3666 Element 4211056 ×3
  • Plate 1 x 8 Dark Bluish Gray Part 3460 Element 4210998 ×4
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×4
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 ×8
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×5
  • Plate 1 x 3 Light Bluish Gray Part 3623 Element 4211429 or 3623194 ×10
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×1
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×2
  • Plate 1 x 8 Light Bluish Gray Part 3460 Element 4211425 ×4
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×14

Bricks Sloped 21 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Light Bluish Gray Part 54200 Element 4521921 or 4244372 ×8
  • Brick Sloped 30° 1 x 2 x 2/3 Light Bluish Gray Part 85984 Element 4568637 ×10
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Bluish Gray Part 3040b Element 4211614 ×1
  • Brick Sloped Inverted 45° 2 x 1 Light Bluish Gray Part 3665 Element 4211437 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 ×1

Tiles 19 pieces

  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 ×10
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×2
  • Tile 1 x 4 with Groove Light Bluish Gray Part 2431 Element 4211356 or 2431194 ×2
  • Tile 1 x 6 with Groove Light Bluish Gray Part 6636 Element 4211549 ×2
  • Tile 1 x 8 with Groove Light Bluish Gray Part 4162 Element 4211481 ×3

Plates Round Curved and Dishes 10 pieces

  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 ×10

Plates Special 8 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Black Part 3794b Element 379426 ×4
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Light Bluish Gray Part 4081b Element 6281998 or 4632575 ×4

Bricks Round and Cones 4 pieces

  • Cone 1 x 1 [Top Groove] Dark Bluish Gray Part 59900 Element 4529240 ×4

Plates Wedged 4 pieces

  • Wedge Plate 3 x 2 Left Light Bluish Gray Part 43723 Element 4211794 ×1
  • Wedge Plate 3 x 2 Right Light Bluish Gray Part 43722 Element 4211791 ×1
  • Wedge Plate 8 x 3, 22° Left Light Bluish Gray Part 50305 Element 4258275 or 4228302 ×1
  • Wedge Plate 8 x 3, 22° Right Light Bluish Gray Part 50304 Element 4258273 or 4228300 ×1

Transportation - Sea and Air 1 piece

  • Wing, Tail 4 x 1 x 3 Black Part 2340 Element 6591863 or 4651541 ×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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