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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.

The Nether Bastion

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21185 The Nether Bastion

219 pieces in 77 part and color combinations, plus 5 minifigures.

The official piece count includes the 81 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Black 74 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×2
  • Brick 1 x 2 Black Part 3004 Element 300426 ×1
  • Brick 1 x 4 Black Part 3010 Element 301026 ×1
  • Brick 2 x 10 Black Part 3006 Element 4617860 or 300626 ×1
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×15
  • Brick 2 x 2 Corner Black Part 2357 Element 235776 or 235726 ×1
  • Brick 2 x 4 Black Part 3001 Element 300126 ×6
  • Brick 2 x 6 Black Part 2456 Element 4181144 or 245626 ×1
  • Plate 1 x 1 Black Part 3024 Element 302426 1 spare in the box ×8
  • Plate 1 x 2 Black Part 3023 Element 302326 ×4
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 ×7
  • Plate 2 x 4 Black Part 3020 Element 302026 Also in Dark Bluish Gray ×13
  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate 2 x 8 Black Part 3034 Element 303426 ×1
  • Plate 4 x 8 Black Part 3035 Element 303526 ×2
  • Plate 6 x 8 Black Part 3036 Element 303676 or 303626 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Black Part 87580 Element 6663108 or 4565323 Also in Dark Bluish Gray ×5
  • Tile 2 x 3 Black Part 26603 Element 6162892 ×1

Dark Bluish Gray 25 pieces

  • Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud] Dark Bluish Gray Part 60475b Element 6321350 or 4580437 ×1
  • Brick Special 1 x 2 with 2 Studs on 1 Side Dark Bluish Gray Part 11211 Element 6230233 ×1
  • Brick Special 2 x 2 with Grooves and Axle Hole Dark Bluish Gray Part 90258 Element 6236949 or 4583879 ×9
  • Brick Special 2 x 2 with Pin and Axle Hole Dark Bluish Gray Part 6232 Element 6408023 or 4211046 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 Also in Black ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Dark Bluish Gray Part 2654 Element 4613980 or 4278274 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Bluish Gray Part 87580 Element 6126083 or 4565322 Also in Black ×10
  • Plate Special 2 x 4 with Groove and Two Center Studs (Jumper) Dark Bluish Gray Part 65509 Element 6307616 ×1

Red 24 pieces

  • Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Red Part 58176 Element 6395046 1 spare in the box ×4
  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Red Part 24866 Element 6206148 1 spare in the box ×16
  • Plate 1 x 1 Red Part 3024 Element 302421 1 spare in the box ×2
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×1
  • Tile 2 x 2 with Groove Red Part 3068b Element 306821 ×1

Pearl Gold 17 pieces

  • Brick 2 x 2 Pearl Gold Part 3003 Element 6162889 ×2
  • Plate Round 1 x 1 with Solid Stud Pearl Gold Part 6141 Element 4523159 1 spare in the box ×12
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Pearl Gold Part 87580 Element 6186383 or 6107193 ×2
  • Weapon Axe Blocky Pearl Gold Part 18788 Element 6394966 or 6189195 ×1

Dark Red 15 pieces

  • Brick 2 x 2 Dark Red Part 3003 Element 4539104 or 4249850 ×1
  • Plant, Flower Stem with Bar and 6 Stems Dark Red Part 19119 Element 6394946 ×1
  • Plate 1 x 1 Dark Red Part 3024 Element 4539114 or 4183901 1 spare in the box ×4
  • Plate 2 x 2 Dark Red Part 3022 Element 4585479 or 4163160 ×1
  • Plate 2 x 4 Dark Red Part 3020 Element 4539071 or 4528320 ×5
  • Plate Round 1 x 1 with Open Stud Dark Red Part 85861 Element 6168645 or 6073031 1 spare in the box ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Red Part 87580 Element 4613761 ×1

Dark Brown 12 pieces

  • Brick 2 x 2 Dark Brown Part 3003 Element 6092677 or 6014520 ×4
  • Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Dark Brown Part 64644 Element 4538950 ×2
  • Plate 1 x 4 Dark Brown Part 3710 Element 6252667 ×6

Orange 10 pieces

  • Brick 2 x 2 Corner Orange Part 2357 Element 6212079 or 4130347 ×1
  • Brick Sloped 33° 3 x 2 Orange Part 3298 Element 4121742 ×1
  • Plate 16 x 16 Orange Part 91405 Element 6394981 or 6114376 ×1
  • Plate 2 x 2 Orange Part 3022 Element 4613982 or 4159007 ×3
  • Plate 2 x 6 Orange Part 3795 Element 4121741 ×1
  • Plate 4 x 6 Orange Part 3032 Element 6221691 or 4295308 ×1
  • Plate 6 x 10 Orange Part 3033 Element 6034497 or 4505159 ×1
  • Tile 2 x 4 with Groove Orange Part 87079 Element 4648853 ×1

Light Bluish Gray 9 pieces

  • Plate 4 x 6 Light Bluish Gray Part 3032 Element 4211404 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Light Bluish Gray Part 87580 Element 6126082 or 4565393 ×7
  • Plate Special 2 x 4 with 2 Pin Holes Light Bluish Gray Part 26599 Element 6176242 ×1

Dark Turquoise 6 pieces

  • Plate 1 x 1 Dark Turquoise Part 3024 Element 6213778 or 4121555 1 spare in the box ×2
  • Plate 2 x 4 Dark Turquoise Part 3020 Element 6338181 or 4121501 ×1
  • Plate 4 x 6 Dark Turquoise Part 3032 Element 6365027 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Turquoise Part 87580 Element 6290269 ×2

Pearl Titanium 6 pieces

  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Pearl Titanium Part 99563 Element 6208447 ×5
  • Weapon Sword Blocky Pearl Titanium Part 18787 Element 6350506 ×1

Trans-Orange 5 pieces

  • Brick 1 x 1 Trans-Orange Part 3005 Element 6514209 or 6240550 ×1
  • Plate 1 x 1 Trans-Orange Part 3024 Element 6513961 or 6252040 1 spare in the box ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Trans-Orange Part 87580 Element 6499254 or 6394956 ×2

White 5 pieces

  • Brick 1 x 2 with Black 'TNT' Pixelated Print White Part 3004pr0036 Element 6097028 ×2
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×2
  • Plate Special 2 x 2 with Pixelated Trans-Light Blue Flames Pattern White Part 41685pat0002 Element 6394965 ×1

Flat Silver 2 pieces

  • Plate Round 1 x 1 with Solid Stud Flat Silver Part 6141 Element 4633691 1 spare in the box ×2

Medium Nougat 2 pieces

  • Treasure Chest Bottom with Rear Slots, No Groove Medium Nougat Part 4738c Element 6102984 ×1
  • Treasure Chest Lid, Flat with 2 Studs Medium Nougat Part 80835 Element 6394960 ×1

Reddish Brown 2 pieces

  • Equipment Whip - Bent Reddish Brown Part 88704 Element 6359864 or 6080389 1 spare in the box ×1
  • Weapon Crossbow and Bolt, Blocky Reddish Brown Part 65510 Element 6288630 ×1

Trans-Clear 2 pieces

  • Plate 1 x 1 Trans-Clear Part 3024 Element 6513962 or 6252041 1 spare in the box ×2

Trans-Light Blue 2 pieces

  • Plate 1 x 1 Trans-Light Blue Part 3024 Element 6513964 or 6252043 1 spare in the box ×2

Tan 1 piece

  • Tile Round 1 x 2 Tan Part 1126 Element 6507789 or 6397819 ×1

Minifigures 5 figures

  • Nether Adventurer, Helmet Minifigure, checked as a whole figure ×1
  • Strider, Black Jumper Plates, Red 1x3 Plate Minifigure, checked as a whole figure ×1
  • Piglin Brute Minifigure, checked as a whole figure ×1
  • Piglin, Pearl Gold Legs Minifigure, checked as a whole figure ×1
  • Magma Cube 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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