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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.

Stormtrooper Commander

Checking

75531 Stormtrooper Commander

100 pieces in 53 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.

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Piece checklist

Large Buildable Figures 34 pieces

  • Large Figure Hand, Fist with Axle Hole, 4 Fingers Black Part 93575 Element 4612482 ×2
  • Large Figure Skeletal, Limb with Ball Joint on Axle and Ball Socket Black Part 90607 Element 4593553 ×2
  • Large Figure Skeletal, Limb with Ball Joint, and Ball Socket and Hole Black Part 90616 Element 4593562 ×2
  • Large Figure Skeletal, Limb with Ball Joint, and Ball Socket and Two Holes Black Part 90615 Element 6181647 ×2
  • Large Figure Skeletal, Limb, 5L with Ball Joint on Axle and Ball Socket Black Part 90609 Element 4593555 ×2
  • Large Figure Skeletal, Torso with 9 Ball Joints, and 8 Holes, Large Black Part 90623 Element 4593569 ×1
  • Large Figure Weapon Gun, Body Black Part 31901 Element 6181376 ×1
  • Large Figure Skeletal, Joint Extender [High Friction] Dark Bluish Gray Part 74261 Element 6314448 or 6106472 ×4
  • Large Figure Foot, Type 2 White Part 90661 Element 4632583 ×2
  • Large Figure Head Stormtrooper Commander White Part 32615 Element 6182290 ×1
  • Large Figure Limb Cover, Armor with Ball Joint Socket and 2 Holes [Plain] White Part 26831 Element 6176872 ×2
  • Large Figure Limb Cover, Leg Shin Guard with Ball Joint Socket White Part 21562 Element 6121452 ×2
  • Large Figure Limb Cover, Size 3, Armor with Ball Joint Socket White Part 90641 Element 6045952 or 4632612 ×2
  • Large Figure Limb Cover, Size 4, Armor with Ball Joint Socket White Part 90640 Element 6139218 ×2
  • Large Figure Limb Cover, Size 5, Armor with Ball Joint Socket White Part 90639 Element 4632643 or 4610453 ×2
  • Large Figure Shoulder Cover, Armor, Round, Smooth [Plain] White Part 21560 Element 6390377 or 6124172 ×2
  • Large Figure Torso Cover with Raised Belt and Stormtrooper Commander Print White Part 21561pr0010 Element 6178689 ×1
  • Large Figure Torso Cover, Armour with 2 Chest Holes and Ball Joint Socket White Part 90652 Element 6121684 or 4632590 ×1
  • Large Figure Cape, Pauldron, 3 Large Holes and 6 Small Holes and Black and Orange Print [No Color/Any Color] Part 30821 Element 6201830 1 spare in the box ×1

Technic Connectors 13 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Black Part 6553 Element 4107765 or 655326 ×2
  • Technic Axle Connector with Axle Hole Black Part 32039 Element 4107081 or 3203926 ×2
  • Technic Axle and Pin Connector Angled #2 - 180° Black Part 32034 Element 6271869 or 4107783 ×1
  • Technic Axle and Pin Connector Perpendicular Split Black Part 92907 Element 6279021 or 4610371 ×2
  • Technic Pin Connector Hub with 2 Perpendicular Axles Black Part 10197 Element 6099801 or 6098801 ×2
  • Technic Pin Connector Hub with 1 Axle Dark Bluish Gray Part 22961 Element 6135014 ×1
  • Technic Axle and Pin Connector Perpendicular White Part 6536 Element 6261372 or 4173670 ×1
  • Technic Pin Connector Round 1L [Beam] White Part 18654 Element 6550155 or 6177114 1 spare in the box ×2

Technic Pins 12 pieces

  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×3
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×4
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×3
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Light Bluish Gray Part 32054 Element 4211865 ×1

Technic Axles 8 pieces

  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×4
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×3

Technic Beams 7 pieces

  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Black Part 60483 Element 6265091 or 6006140 ×2
  • Technic Beam 1 x 2 Thin Black Part 41677 Element 6338428 or 4167726 ×1
  • Technic Beam 1 x 5 Thick Black Part 32316 Element 4142135 or 4140429 ×1
  • Technic Beam 1 x 5 Thin with Axle Holes on Ends Black Part 11478 Element 6327028 or 6030286 ×1
  • Technic Beam 1 x 3 Thick White Part 32523 Element 6632140 or 4208160 ×2

Plates Round Curved and Dishes 6 pieces

  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 1 spare in the box ×6

Plates 5 pieces

  • Plate 1 x 3 Black Part 3623 Element 362326 ×3
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box ×2

Tiles 5 pieces

  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×1
  • Tile 1 x 3 with Silver Belt Pouch Print Black Part 63864pr0010 Element 6158156 ×3
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1

Projectiles / Launchers 3 pieces

  • Launcher, Brick Special 1 x 4 Spring Shooter with Light Bluish Gray Top Dark Bluish Gray Part 15400 Element 6324200 or 6048898 ×1
  • Projectile, Spring Shooter Ammunition 8L Bar Trans-Red Part 15303 Element 6287550 or 6054526 ×2

Bricks Curved 2 pieces

  • Brick Curved 4 x 1 Double, No Studs White Part 93273 Element 6552143 or 6023806 ×2

Technic Special 2 pieces

  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Black Part 41669 Element 4540065 or 4177441 ×2

Bricks Sloped 1 piece

  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black Part 61409 Element 4541191 ×1

Technic Beams Special 1 piece

  • Technic Beam 1 x 3 with Ball Joint in Middle Dark Bluish Gray Part 98577 Element 6001085 ×1

Technic Bushes 1 piece

  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 1 spare in the box ×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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