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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.

Miles Morales Mech Armor

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76171 Miles Morales Mech Armor

129 pieces in 62 part and color combinations, plus 1 minifigure.

LEGO counts 125 pieces. This inventory comes from a separate parts catalog and lists 133, including the 4 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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 46 pieces

  • Bar Holder with Clip Black Part 11090 Element 6315887 or 6015891 ×2
  • Bracket 1 x 1 - 1 x 1 Black Part 36841 Element 6299338 ×2
  • Bracket 1 x 2 - 1 x 2 Black Part 99781 Element 6016172 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×4
  • Brick Curved 4 x 1 Double, No Studs Black Part 93273 Element 4613153 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×4
  • Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder Black Part 15571 Element 6051508 ×1
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Black Part 4871 Element 4188534 or 487126 ×1
  • Brick Wedged, Curved 2 x 2 with Stud Notches Black Part 66956 Element 6308912 ×1
  • Dish 2 x 2 Inverted [Radar] Black Part 4740 Element 474026 ×1
  • Panel 1 x 2 x 1 with Rounded Corners and Central Divider Black Part 93095 Element 6640376 or 6115086 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×2
  • Plate Special 1 x 2 with Clip Horizontal on Side Black Part 11476 Element 6313116 or 6132731 ×1
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Black Part 60470b Element 6310268 or 4556158 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Black Part 60478 Element 4515368 ×2
  • Plate Special 1 x 2, Top Clip [Split] Black Part 92280 Element 4598528 ×2
  • Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor) Black Part 27167 Element 6288460 or 6213722 ×1
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 1 spare in the box ×1
  • Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Black Part 32124 Element 6280168 or 4114689 ×2
  • Tile Round 1 x 1 Half Circle Black Part 24246 Element 6256435 1 spare in the box ×2
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Black Part 99563 Element 6156991 ×4
  • Tile Special 2 x 2 Corner with Cut Corner - Facet Black Part 27263 Element 6166859 ×3
  • Tile Special 2 x 2 Inverted Black Part 11203 Element 6013867 ×1
  • Tile Special 2 x 3 Pentagonal with Red Spider and Webbing Print Black Part 22385pr0113 Element 6329748 ×1

Red 38 pieces

  • Bar Holder with Clip Red Part 11090 Element 6341972 or 6328911 ×8
  • Bracket 1 x 1 - 1 x 1 Inverted Red Part 36840 Element 6249907 ×2
  • Bracket 1 x 2 - 2 x 2 Inverted Red Part 99207 Element 6001806 ×1
  • Brick Curved Inverted 2 x 1 Red Part 24201 Element 6186398 ×2
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Red Part 15672 Element 6053011 or 4603263 ×2
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Red Part 29120 Element 6177505 ×2
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Red Part 29119 Element 6177507 ×2
  • Plate 1 x 2 Red Part 3023 Element 302321 ×2
  • Plate 2 x 4 Red Part 3020 Element 302021 ×1
  • Plate Special 1 x 2 Rounded with 2 Open Studs Red Part 35480 Element 6210269 ×8
  • Plate Special 1 x 2 Side Handle [Free Ends] Red Part 2540 Element 4140585 or 254021 ×2
  • Plate Special 1 x 2, Top Clip [Split] Red Part 92280 Element 4597713 ×1
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Red Part 18674 Element 6132541 ×1
  • Tile 1 x 1 with Groove Red Part 3070b Element 307021 1 spare in the box ×2
  • Tile Special 2 x 2 Corner with Cut Corner - Facet Red Part 27263 Element 6217194 ×2

Dark Bluish Gray 18 pieces

  • Bar 2L with Towball Dark Bluish Gray Part 22484 Element 6364352 or 6360117 ×2
  • Bracket 1 x 1 - 1 x 1 Inverted Dark Bluish Gray Part 36840 Element 6225494 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger on Side, without Groove Dark Bluish Gray Part 44567b Element 6266248 ×1
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 ×2
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×2
  • Plate Special 1 x 2 with 5.9mm Towball Socket and Towball Dark Bluish Gray Part 14419 Element 6414554 or 6338166 ×6
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×1
  • Technic Plate 2 x 4 [3 Holes] Dark Bluish Gray Part 3709 Element 4227398 ×1
  • Technic Steering Gear with 3 Towball Joints, Compact Dark Bluish Gray Part 15460 Element 6359227 or 6055629 ×1

Trans-Light Blue 14 pieces

  • Cone 1 x 1 [Top Groove] Trans-Light Blue Part 59900 Element 6514027 or 6337639 ×2
  • Plate Round 1 x 1 with Open Stud Trans-Light Blue Part 85861 Element 6510163 or 6283590 1 spare in the box ×3
  • Web Effect Handcuffs Trans-Light Blue Part 36083b ×1
  • Web Effect Large Bar on Back Handles on Sides Trans-Light Blue Part 36083e ×1
  • Web Effect Long and Narrow Bars at Both Ends Trans-Light Blue Part 36083a ×2
  • Web Effect Medium Bar on Back Trans-Light Blue Part 36083c ×1
  • Web Effect Small Short Bar on Front and Back Trans-Light Blue Part 36083d ×2
  • Web Effect Two Branches Bars on Each End Trans-Light Blue Part 36083f ×2

Light Bluish Gray 10 pieces

  • Plate Round 1 x 1 with Open Stud Light Bluish Gray Part 85861 Element 6168647 or 6124825 1 spare in the box ×4
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×2
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×4

Medium Blue 2 pieces

  • Bar Holder with Hole and Bar Handle Medium Blue Part 23443 Element 6366178 or 6178242 ×2

Trans-Clear 1 piece

  • Plate Special Round 1 x 1 with Hollow Stud and Bar on Underside Trans-Clear Part 25893 Element 6321083 or 6153264 1 spare in the box ×1

Minifigures 1 figure

  • Spider-Man (Miles Morales), Dark Red Hoodie, Dual Molded Legs 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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