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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.

Eternals' Aerial Assault

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76145 Eternals' Aerial Assault

125 pieces in 39 part and color combinations, plus 2 minifigures.

The official piece count includes the 8 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

Plates Special 24 pieces

  • Bracket 1 x 1 - 1 x 1 Inverted Black Part 36840 Element 6234695 ×1
  • Plate Special 1 x 1 Rounded with Handle Dark Blue Part 26047 Element 6251253 ×4
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Blue Part 4081b Element 6328107 ×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 Clip Horizontal on Side Dark Red Part 11476 Element 6313126 or 6186001 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Dark Turquoise Part 60478 Element 6295286 ×1
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×4
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×4
  • Plate Special 1 x 1 Rounded with Handle Pearl Gold Part 26047 Element 6212377 ×2
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Pearl Gold Part 61252 Element 6284379 or 4523160 ×1
  • Plate Special 3 x 2 with Rounded End, Hole Sand Green Part 3176 Element 6278542 ×1

Bars, Ladders and Fences 22 pieces

  • Bar 2L with Towball Dark Bluish Gray Part 22484 Element 6364352 or 6360117 ×6
  • Bar Holder with Clip Pearl Gold Part 11090 Element 6252838 or 6078364 ×16

Bricks Curved 15 pieces

  • Brick Arch 1 x 3 x 2 Curved Top Black Part 6005 Element 4618880 or 4188168 ×2
  • Brick Curved Inverted 2 x 2 x 2/3 Black Part 32803 Element 6211476 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Blue Part 11477 Element 6554198 or 6094143 ×7
  • Brick Curved 2 x 1 No Studs with 4 White Eyes, Dark Turquoise Flames Print Dark Blue Part 11477pr0013 Element 6319989 ×1
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Dark Turquoise Part 6091 Element 6399564 or 6213785 ×2
  • Brick Curved Inverted 2 x 1 Sand Green Part 24201 Element 6278553 ×2

Plates Round Curved and Dishes 15 pieces

  • Plate Special 1 x 2 Rounded with 2 Open Studs Dark Red Part 35480 Element 6212040 ×2
  • Plate Round 1 x 1 with Open Stud Pearl Gold Part 85861 Element 6190252 or 6141499 1 spare in the box ×13

Plants & Trees 13 pieces

  • Plant / Animal Body Part, Tree / Branch / Tail / Appendage / Tentacle with Pin Opal Trans-Brown Part 69858 Element 6318222 1 spare in the box ×13

Bricks Sloped 7 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Blue Part 54200 Element 4504374 or 4502092 1 spare in the box ×6
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Red Part 54200 Element 4539079 or 4531415 1 spare in the box ×1

Animal / Creature Body Parts 5 pieces

  • Creature Body Part, Barb Large (Claw, Talon) with Clip Black Part 16770 Element 6254273 or 6177168 ×2
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Pearl Gold Part 53451 Element 6270109 or 4618195 1 spare in the box ×3

Minifig Shields, Weapons, & Tools 5 pieces

  • Weapon Bladed Claw Spread Pearl Gold Part 10187 Element 6241936 1 spare in the box ×2
  • Weapon Sai Pearl Gold Part 98139 Element 6270135 or 4646866 1 spare in the box ×2
  • Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Pearl Gold Part 21459 Element 6116596 ×1

Tiles Special 5 pieces

  • Tile Special 1 x 3 Inverted with Center Hole Black Part 35459 Element 6272184 ×5

Energy Effects 3 pieces

  • Wave / Power Blast Rounded Energy with Bar Handle Trans-Orange Part 27393 Element 6581318 or 6353240 ×3

Minifig Upper Body 3 pieces

  • Torso Mechanical, Battle Droid Dark Bluish Gray Part 30375 Element 4521512 ×1
  • Arm Mechanical with Clip [Thick Support] Pearl Gold Part 98313 Element 6262192 or 6006741 ×2

Plates 3 pieces

  • Plate 1 x 2 Dark Turquoise Part 3023 Element 6213777 or 4218493 ×1
  • Plate 1 x 3 Sand Green Part 3623 Element 6069257 or 4642427 ×2

Bricks Wedged 2 pieces

  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Dark Red Part 29120 Element 6219658 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Dark Red Part 29119 Element 6219657 ×1

Tubes and Hoses 2 pieces

  • Hose Rigid 3mm D. 6L / 4.8cm Black Part 75c06 Element 4640742 or 4546459 1 spare in the box ×2

Stickers 1 piece

  • Sticker Sheet for Set 76145-1 [No Color/Any Color] Part 69940 Element 6319541 ×1

Minifigures 2 figures

  • Ikaris Minifigure, checked as a whole figure ×1
  • Sprite 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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