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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, Somerset Collection, Troy, MI

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TROY LEGO Store Grand Opening Exclusive Set, Somerset Collection, Troy, MI

103 pieces in 36 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

Plates 36 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×4
  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 1 x 4 Black Part 3710 Element 371026 ×6
  • Plate 2 x 2 Black Part 3022 Element 302226 ×2
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×6
  • Plate 2 x 3 Black Part 3021 Element 302126 Also in Dark Bluish Gray ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 Also in Dark Bluish Gray ×4
  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 Also in Black ×2
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 Also in Black ×1
  • Plate 6 x 8 Dark Bluish Gray Part 3036 Element 4210794 ×2
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×2
  • Plate 2 x 8 Light Bluish Gray Part 3034 Element 4211406 ×2

Tiles 19 pieces

  • Tile 1 x 1 with Groove Black Part 3070b Element 307026 ×4
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×1
  • Tile 1 x 4 with Groove Dark Bluish Gray Part 2431 Element 4211053 ×8
  • Tile 1 x 8 with Groove Dark Bluish Gray Part 4162 Element 5210651 or 4211008 ×4
  • Tile 2 x 2 with Groove Dark Bluish Gray Part 3068b Element 4211055 ×2

Plates Special 14 pieces

  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Black Part 6019 Element 601976 or 601926 ×4
  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Black Part 4085c Element 408526 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Black Part 3794b Element 379426 ×8

Bricks Sloped 10 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 ×4
  • Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin Black Part 3048c Element 304826 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 ×4

Transportation - Land 9 pieces

  • Grille 1 x 2 x 2 2/3 Sloping with Chrome Outline Print Black Part 50946pr0001 Element 4246939 ×1
  • Steering Wheel Small, 2 x 2 Black Part 30663 Element 4153044 ×4
  • Wheel Arch, Mudguard 1 x 4 1/2 Black Part 50947 Element 6551384 or 4277774 ×4

Panels 6 pieces

  • Panel 1 x 1 x 1 Corner Black Part 6231 Element 4106347 or 4101709 ×2
  • Panel 1 x 2 x 1 [Square Corners] Black Part 4865a Element 486526 ×1
  • Panel 1 x 4 x 1 with Rounded Corners [Thick Wall] Black Part 43337 Element 4239147 or 4233256 ×1
  • Panel 1 x 2 x 1 [Square Corners] Trans-Clear Part 4865a Element 4113106 ×2

Bars, Ladders and Fences 3 pieces

  • Bar 6L with Stop Ring Black Part 63965 Element 6170421 or 6081988 ×3

Minifig Accessories 2 pieces

  • Tap 1 x 1 without Hole in Spout Light Bluish Gray Part 4599b Element 4211503 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Clear Part 6141 Element 6514052 or 6240030 ×2

Bricks Round and Cones 1 piece

  • Cone 1 x 1 [No Top Groove] Black Part 4589 Element 4518219 or 458926 ×1

Bricks Special 1 piece

  • Brick Special 1 x 1 Studs on 4 Sides Black Part 4733 Element 473326 ×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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