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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.

ROCKA Stealth Machine

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44019 ROCKA Stealth Machine

77 pieces in 37 part and color combinations, plus 2 minifigures.

The official 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

Black 33 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Black Part 48729b Element 6278152 or 6037347 1 spare in the box ×4
  • Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 9 Teeth Black Part 30553 Element 4143372 ×2
  • Hinge Cylinder 1 x 3 Locking with 1 Finger and Technic Friction Pin with Round Hole Black Part 41532 Element 4159335 ×2
  • Large Figure Limb Cover, Armor, Knee / Shoulder Black Part 98592 Element 6060789 or 6000155 ×2
  • Large Figure Limb Cover, Size 5, Armor with Ball Joint Socket Black Part 90639 Element 4632637 or 4604233 ×4
  • Large Figure Skeletal, Limb with Ball Joint and Ball Socket, Short Black Part 90612 Element 4593557 ×6
  • Large Figure Skeletal, Limb, 5L with Ball Joint on Axle and Ball Socket Black Part 90609 Element 4593555 ×1
  • Large Figure Skeletal, Torso with 9 Ball Joints, and 6 Holes, Medium Black Part 90625 Element 4593571 ×1
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Lower Axle Holes Black Part 93571 Element 4610948 ×2
  • Technic Axle Connector with Axle Hole Black Part 32039 Element 4107081 or 3203926 ×2
  • Technic Beam Triangle Thin [Type II] Black Part 99773 Element 6331437 or 6010864 ×1
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Black Part 32054 Element 4140801 or 4107742 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×2
  • Tool Hammer / Mallet Large Black Part 4522 Element 452226 ×1
  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1

Dark Bluish Gray 12 pieces

  • Large Figure Skeletal, Limb with 2 Ball Joints, and Ball Socket Dark Bluish Gray Part 90617 Element 4622903 ×4
  • Large Figure Skeletal, Limb with Ball Joint on Axle and Ball Socket and Hole Dark Bluish Gray Part 90608 Element 6013996 ×2
  • Pneumatic Hose Connector with Axle Connector Dark Bluish Gray Part 99021 Element 6265669 or 6020189 ×2
  • Technic Beam 1 x 3 with Ball Joint in Middle Dark Bluish Gray Part 98577 Element 6001085 ×1
  • Technic Pin Connector Hub with 2 Perpendicular Axles Dark Bluish Gray Part 10197 Element 6005331 ×2
  • Weapon Gun / Pistol Two Barrel, 10 Ribs Dark Bluish Gray Part 95199 Element 4623236 ×1

Trans-Bright Green 10 pieces

  • Bar 4L (Lightsaber Blade / Wand) Trans-Bright Green Part 30374 Element 6507884 or 6258883 ×2
  • Container Cylindrical 3 x 8 x 5 with Pin Holes Trans-Bright Green Part 15361 Element 6056372 ×2
  • Large Figure Weapon Claw, with Clip Trans-Bright Green Part 92220 Element 6215122 or 6133534 ×4
  • Launcher, Large Figure Weapon, Zamor Sphere Launcher, Bottom with Axle Hole Trans-Bright Green Part 98564 Element 6021672 or 4652057 ×1
  • Projectile, Large Figure Weapon, Zamor Sphere / Ball Trans-Bright Green Part 54821 Element 4655587 ×1

Pearl Titanium 7 pieces

  • Large Figure Foot, Type 2 Pearl Titanium Part 90661 Element 4653136 ×2
  • Large Figure Limb Cover, Size 4, Armor with Ball Joint Socket Pearl Titanium Part 90640 Element 6061054 or 6013698 ×4
  • Large Figure Weapon, Zamor Sphere Launcher, Top with Barrel and Sight Pearl Titanium Part 98563 Element 4652055 ×1

Red 4 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×4

Pearl Gold 3 pieces

  • Large Figure Limb Cover, Size 3, Armor with Ball Joint Socket Pearl Gold Part 90641 Element 4624197 ×3

Blue 2 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2

Tan 2 pieces

  • Technic Pin 3/4 Tan Part 32002 Element 6663097 or 6013938 1 spare in the box ×2

Flat Silver 1 piece

  • Large Figure Limb Cover, Size 5, Armor with Ball Joint Socket with Red Arrows, Black and Gold Chevrons, and Hero Factory Logo Print Flat Silver Part 90639pr0030 Element 6060849 ×1

Lime 1 piece

  • Large Figure Cockpit Seat with Ball Joint Lime Part 15353 Element 6058121 ×1

Trans-Brown 1 piece

  • Windscreen 4 x 4 x 4 2/3 with Handle Trans-Brown Part 11289 Element 6514340 or 6280337 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 44019-1 [No Color/Any Color] Part 16387 Element 6058962 ×1

Minifigures 2 figures

  • Rocka in Pearl Dark Gray Armor Minifigure, checked as a whole figure ×1
  • Hero Factory Jumper, Black Top, Orange Base 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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