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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.

Dwarves' Mine Defender

Checking

7040 Dwarves' Mine Defender

73 pieces in 38 part and color combinations, plus 3 minifigures.

The official piece count includes the 13 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

Dark Bluish Gray 19 pieces

  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Dark Bluish Gray Part 6091 Element 6411327 or 4210797 ×2
  • Brick Special 1 x 1 Studs on 4 Sides Dark Bluish Gray Part 4733 Element 4210700 ×1
  • Chain 16L [21 Links] Dark Bluish Gray Part 60169 Element 6258887 or 4516456 ×2
  • Hinge Brick 1 x 2 Base Dark Bluish Gray Part 3937 Element 4211066 ×1
  • Hinge Brick 1 x 2 Locking with 2 Fingers Vertical End, 9 Teeth Dark Bluish Gray Part 30365 Element 4210724 ×2
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×1
  • Plate 2 x 8 Dark Bluish Gray Part 3034 Element 4210997 ×1
  • Plate 4 x 8 Dark Bluish Gray Part 3035 Element 4211061 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×4
  • Tile 1 x 4 with Groove Dark Bluish Gray Part 2431 Element 4211053 ×2
  • Tile Special 2 x 2 with Top Pin Dark Bluish Gray Part 2460 Element 4211129 ×1

Reddish Brown 16 pieces

  • Brick 2 x 3 Reddish Brown Part 3002 Element 4216668 ×1
  • Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Reddish Brown Part 6222 Element 6177805 or 4223681 ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Reddish Brown Part 3040b Element 4211199 ×2
  • Brick Sloped 75° 2 x 1 x 3 with Hollow Stud Reddish Brown Part 4460b Element 4270470 ×4
  • Brick Wedged, Sloped 45° 2 x 4 Triple Reddish Brown Part 47759 Element 4626666 or 4518198 ×1
  • Launcher, with 1 x 8 Plate with Pin Hole and Bucket (Catapult) Reddish Brown Part 30275 Element 6037499 or 4267033 ×1
  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×3

Light Bluish Gray 14 pieces

  • Brick Round 2 x 2 with Axle Hole Light Bluish Gray Part 3941 Element 4211526 ×1
  • Hinge Brick 2 x 2 Top Plate Thin Light Bluish Gray Part 6134 Element 4211881 ×1
  • Lever Small Base with Black Lever Light Bluish Gray Part 298c02 Element 4221775 1 spare in the box ×1
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×4
  • Propeller 8 Blade 5 Diameter Light Bluish Gray Part 41530 Element 6035418 or 4159341 ×3
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×2
  • Weapon Lightsaber Hilt with Bottom Ring Light Bluish Gray Part 64567 Element 4581155 or 4539481 ×1
  • Weapon Pike / Spear [4 Side Blades] Light Bluish Gray Part 43899 Element 4520991 ×1

Black 9 pieces

  • Bar 4L (Lightsaber Blade / Wand) Black Part 30374 Element 6116604 or 4140303 ×3
  • Hinge Brick 1 x 2 Locking with 1 Finger Vertical End Black Part 30364 Element 6266306 or 4265484 ×2
  • Technic Axle 10 Black Part 3737 Element 373726 ×1
  • Technic Axle 4 Black Part 3705 Element 370526 ×1
  • Technic Brick 1 x 8 [7 Pin Holes] Black Part 3702 Element 370226 ×2

Dark Brown 4 pieces

  • Brick Sloped 18° 4 x 1 Dark Brown Part 60477 Element 4519742 ×4

Tan 4 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×4

Pearl Gold 2 pieces

  • Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin Pearl Gold Part 3048c Element 4295174 ×2

Red 2 pieces

  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×2

Blue 1 piece

  • Technic Rubber Belt Medium [24mm ID] [Round Cross Section] Blue Part 85544 ×1

Dark Red 1 piece

  • Flag 4 x 9 Tattered with Troll Skull Print Dark Red Part 61747 Element 4519302 ×1

Pearl Light Gray 1 piece

  • Weapon Sword / Scimitar Notched Blade Pearl Light Gray Part 60752 Element 4518474 ×1

Minifigures 3 figures

  • Troll Warrior 3 (Orc) Minifigure, checked as a whole figure ×2
  • Dwarf, Dark Orange Beard, Metallic Silver Helmet 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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