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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.

Dungeon

Checking

4817 Dungeon

27 pieces in 22 part and color combinations, plus 2 minifigures.

The piece count includes the 12 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

Light Gray 8 pieces

  • Brick 1 x 1 Light Gray Part 3005 Element 300502 ×2
  • Brick 1 x 2 Light Gray Part 3004 Element 300402 ×2
  • Brick 2 x 2 Light Gray Part 3003 Element 4103591 or 300352 ×1
  • Brick Special 1 x 2 with Vertical Clip [Thick U Clip] Light Gray Part 30237a Element 4117069 ×2
  • Shield Triangular with Lion Head, Blue and Yellow Print Light Gray Part 3846pr0022 Element 4117035 ×1

Black 4 pieces

  • Antenna 1 x 4 with Rounded Top Black Part 3957a ×1
  • Bar 7 x 3 with Double Clips (Ladder) [Straight Clips] Black Part 6020 Element 602026 ×1
  • Brick Special 1 x 2 with Handle Black Part 30236 Element 4288212 or 4113243 ×1
  • Panel 1 x 2 x 1 [Square Corners] Black Part 4865a Element 486526 ×1

Dark Gray 4 pieces

  • Brick 1 x 4 Dark Gray Part 3010 Element 4114308 or 301027 ×2
  • Panel 3 x 4 x 6 with Arched Window Dark Gray Part 30246 Element 4118878 ×1
  • Weapon Halberd / Axe Elaborate Dark Gray Part 6123 Element 612327 ×1

Blue 2 pieces

  • Brick Sloped 75° 2 x 2 x 2 Quadruple Convex Blue Part 3688 Element 6340549 or 4558642 ×1
  • Flag 4 x 1 Wavy [First Wave Left] Blue Part 4495a ×1

Brown 2 pieces

  • Treasure Chest Bottom with Rear Slots, with Groove Brown Part 4738b Element 473875 or 473825 ×1
  • Treasure Chest Lid [Thick Hinge] Brown Part 4739a Element 473925 ×1

Trans-Neon Orange 2 pieces

  • Wave / Flame Rounded with Base Pegs Trans-Neon Orange Part 6126a ×2

Green 1 piece

  • Brick 4 x 12 Green Part 4202 Element 4537561 or 4250511 ×1

Trans-Dark Blue 1 piece

  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Dark Blue Part 30153 Element 6513973 or 6247793 ×1

Trans-Green 1 piece

  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Green Part 30153 Element 6513970 or 6247788 ×1

Trans-Neon Green 1 piece

  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Neon Green Part 30153 Element 6247790 or 4114505 ×1

Trans-Red 1 piece

  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Red Part 30153 Element 6513969 or 6247785 ×1

Minifigures 2 figures

  • Skeleton, Standard Face, Helmet with Neck-Protector Minifigure, checked as a whole figure ×1
  • Knight (Knights Kingdom I) - Leather on Legs, Armor 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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