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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.

Thanos Mech Armor

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76242 Thanos Mech Armor

110 pieces in 53 part and color combinations, plus 1 minifigure.

The official piece count includes the 3 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

  • Bar 2L with Towball Dark Bluish Gray Part 22484 Element 6364352 or 6360117 ×2
  • Brick Sloped Inverted 45° 4 x 1 Double with 1 x 2 Recessed Dark Bluish Gray Part 32802 Element 6185675 ×2
  • Cockpit 4 x 2 x 3 with Pin Hole, and 2 Clips Dark Bluish Gray Part 98876 Element 6384443 ×1
  • Plate Angled 2 x 2 with Step and Hole in Center Dark Bluish Gray Part 79846 Element 6395097 ×4
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Dark Bluish Gray Part 2654 Element 4613980 or 4278274 ×1
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Dark Bluish Gray Part 14704 Element 6414562 or 6360823 ×6
  • Plate Special 1 x 2 with End Towball Dark Bluish Gray Part 22890 Element 6370802 or 6338168 ×2
  • Technic Axle and Pin Connector Angled #2 - 180° Dark Bluish Gray Part 32034 Element 32034199 or 6271876 ×1

Black 18 pieces

  • Brick Curved 2 x 2 x 2/3 Black Part 15068 Element 6053077 ×2
  • Brick Wedged, Curved 2 x 3 x 2/3 Two Studs, Wing End Black Part 47456 Element 4285883 or 4218569 ×1
  • Plate Special 1 x 2 with 2 End Towballs Black Part 3170 Element 6416838 ×1
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Black Part 10247 Element 6061032 ×1
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Black Part 99206 Element 6052126 ×4
  • Plate Special 3 x 2 with Rounded End, Hole Black Part 3176 Element 317676 or 317626 ×2
  • Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Black Part 66906 Element 6344752 ×1
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 1 spare in the box ×2
  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×2
  • Tile Round 2 x 2 with Bottom Stud Holder Black Part 14769 Element 6070695 ×2

Pearl Gold 18 pieces

  • Animal / Creature Body Part, Claw with Clip Pearl Gold Part 3171 Element 6426622 ×4
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Pearl Gold Part 47457 Element 4286597 ×4
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Pearl Gold Part 28192 Element 6287530 ×2
  • Hand Left, Glove, Infinity Gauntlet Pearl Gold Part 36470 Element 6376572 or 6215355 ×1
  • Plate Special 1 x 2 [Side Handle Closed Ends] Pearl Gold Part 48336 Element 4585493 ×1
  • Tile 2 x 2 Curved, Macaroni Pearl Gold Part 27925 Element 6173654 ×2
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Pearl Gold Part 99563 Element 6207933 or 4651407 ×4

Dark Tan 16 pieces

  • Brick 1 x 1 Dark Tan Part 3005 Element 6001824 or 4497070 ×2
  • Brick Curved 2 x 2 x 2/3 Dark Tan Part 15068 Element 6093038 ×3
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Tan Part 85984 Element 6015449 ×2
  • Plate 1 x 2 Dark Tan Part 3023 Element 4528604 or 4497082 ×4
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Dark Tan Part 60478 Element 6135607 ×1
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Dark Tan Part 18674 Element 6132767 ×2
  • Wedge Plate 2 x 2 Cut Corner Dark Tan Part 26601 Element 6228921 ×2

Dark Blue 12 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Blue Part 99780 Element 6554222 or 6371455 ×1
  • Brick Curved 2 x 2 x 2/3 with Gold Armor Print Dark Blue Part 15068pr0071 Element 6421699 ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Dark Blue Part 15672 Element 6554206 or 6186683 ×2
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Dark Blue Part 28192 Element 6166857 ×2
  • Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor) Dark Blue Part 27167 Element 6569025 or 6430974 ×1
  • Tile Special 2 x 2 Inverted Dark Blue Part 11203 Element 6285466 ×5

Medium Lavender 10 pieces

  • Brick Round, Curved 2 x 2 x 1 1/3, Corner Medium Lavender Part 67810 Element 6423973 ×4
  • Brick Wedged, Curved 2 x 2 with Stud Notches Medium Lavender Part 66956 Element 6344845 ×4
  • Plate 1 x 4 Medium Lavender Part 3710 Element 6015108 or 4619524 ×2

Dark Purple 5 pieces

  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Dark Purple Part 47457 Element 6109766 or 4579024 ×3
  • Plate 2 x 2 Dark Purple Part 3022 Element 6047422 or 4224861 ×2

Trans-Purple 3 pieces

  • Dish 2 x 2 Inverted [Radar] Trans-Purple Part 4740 Element 6580379 or 6245309 ×2
  • Infinity Stone Trans-Purple Part 36451a 3 spares in the box ×1

Flat Silver 2 pieces

  • Large Figure Weapon Sword, 3 Bar Holes and Axle Hilt Flat Silver Part 35633 Element 6423974 ×2

Light Bluish Gray 2 pieces

  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×1
  • Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Light Bluish Gray Part 73109 Element 6326478 ×1

Trans-Bright Green 1 piece

  • Infinity Stone Trans-Bright Green Part 36451a 3 spares in the box ×1

Trans-Dark Blue 1 piece

  • Infinity Stone Trans-Dark Blue Part 36451a 3 spares in the box ×1

Trans-Orange 1 piece

  • Infinity Stone Trans-Orange Part 36451a 3 spares in the box ×1

Trans-Red 1 piece

  • Infinity Stone Trans-Red Part 36451a 3 spares in the box ×1

Trans-Yellow 1 piece

  • Infinity Stone Trans-Yellow Part 36451a 3 spares in the box ×1

Minifigures 1 figure

  • Thanos, Dark Blue and Gold Outfit, Medium Lavender Arms 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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