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The Workshop Sheet 10 of 19

LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Space Insectoid

Checking

30231 Space Insectoid

22 pieces in 16 part and color combinations, plus 1 minifigure.

The piece count includes the 5 parts inside the set's minifigures, which this inventory lists separately. 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.

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Piece checklist

Plates Special 6 pieces

  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Black Part 4081b Element 6281993 or 4632571 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Black Part 60478 Element 4515368 ×1
  • Plate Special 1 x 1 with Tooth Dark Green Part 49668 Element 4501970 or 4254800 ×2
  • Plate Special 3 x 2 with Rounded End, Hole Dark Red Part 3176 Element 4568753 or 4217788 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Light Bluish Gray Part 3794b ×1

Animal / Creature Body Parts 5 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Black Part 53451 Element 6270103 or 4568385 1 spare in the box ×4
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Lime Part 53451 Element 6337299 or 4579250 1 spare in the box ×1

Bricks Special 2 pieces

  • Brick Special 1 x 1 with Studs on 2 Sides Light Bluish Gray Part 47905 Element 4213567 ×1
  • Brick Special 1 x 2 x 2/3 with Studs on Sides Light Bluish Gray Part 4595 Element 6681658 or 4211502 ×1

Plates 2 pieces

  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 1 x 2 Dark Tan Part 3023 Element 4528604 or 4497082 ×1

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×2

Tiles 2 pieces

  • Tile 1 x 4 with Groove Trans-Neon Green Part 2431 Element 6252052 or 6030742 ×2

Bricks Sloped 1 piece

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Lime Part 54200 Element 4504372 or 4298015 1 spare in the box ×1

Minifig Shields, Weapons, & Tools 1 piece

  • Weapon Gun / Pistol Two Barrel, 10 Ribs Dark Bluish Gray Part 95199 Element 4623236 ×1

Minifig Upper Body 1 piece

  • Arm Mechanical with Clip [Thick Support] Dark Red Part 98313 Element 6276866 or 6006738 ×1

Minifigures 1 figure

  • Chuck Stonebreaker Minifigure, checked as a whole figure ×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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