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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 Dark Knight of Gotham City

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77903 The Dark Knight of Gotham City

422 pieces in 104 part and color combinations, plus 1 minifigure.

The official piece count includes the 5 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

Dark Bluish Gray 224 pieces

  • Brick 1 x 1 Dark Bluish Gray Part 3005 Element 4211098 ×2
  • Brick 1 x 2 Dark Bluish Gray Part 3004 Element 4211088 ×10
  • Brick 1 x 3 Dark Bluish Gray Part 3622 Element 4211104 ×1
  • Brick 1 x 4 Dark Bluish Gray Part 3010 Element 4211103 ×2
  • Brick 1 x 8 Dark Bluish Gray Part 3008 Element 4211099 ×2
  • Brick 2 x 2 Dark Bluish Gray Part 3003 Element 4211060 ×8
  • Brick 2 x 2 Corner Dark Bluish Gray Part 2357 Element 4211109 ×6
  • Brick 2 x 3 Dark Bluish Gray Part 3002 Element 4211105 ×5
  • Brick 2 x 6 Dark Bluish Gray Part 2456 Element 4282819 or 4210875 ×1
  • Brick Round 1 x 1 Open Stud Dark Bluish Gray Part 3062b Element 4211090 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray Part 54200 Element 4504378 or 4244373 ×4
  • Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder Dark Bluish Gray Part 15571 Element 6076203 ×2
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Dark Bluish Gray Part 28192 Element 6168776 ×1
  • Brick Sloped Inverted 45° 2 x 2 Double Convex Dark Bluish Gray Part 3676 Element 4210862 ×2
  • Brick Special 1 x 1 Studs on 4 Sides Dark Bluish Gray Part 4733 Element 4210700 ×4
  • Brick Special 1 x 1 with Headlight Dark Bluish Gray Part 4070 Element 4211044 ×11
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Dark Bluish Gray Part 32952 Element 6228923 ×6
  • Brick Special 1 x 2 with Masonry Brick Profile Dark Bluish Gray Part 98283 Element 6000311 ×18
  • Brick Special 2 x 2 with Grooves and Axle Hole Dark Bluish Gray Part 90258 Element 6236949 or 4583879 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Dark Bluish Gray Part 29120 Element 6204668 ×2
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Dark Bluish Gray Part 29119 Element 6204667 ×2
  • Cone 1 x 1 [Top Groove] Dark Bluish Gray Part 59900 Element 4529240 ×2
  • Plate 1 x 1 Dark Bluish Gray Part 3024 Element 4210719 ×17
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 Also in Black ×28
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 ×3
  • Plate 1 x 8 Dark Bluish Gray Part 3460 Element 4210998 ×1
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×12
  • Plate 2 x 2 Corner Dark Bluish Gray Part 2420 Element 4210635 ×4
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×3
  • Plate 3 x 3 Dark Bluish Gray Part 11212 Element 6039176 ×2
  • Plate Round 1 x 1 with Open Stud Dark Bluish Gray Part 85861 Element 6231765 ×2
  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 ×10
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Dark Bluish Gray Part 61252 Element 6360111 or 4579354 ×4
  • Plate Special 1 x 2 [Side Handle Closed Ends] Dark Bluish Gray Part 48336 Element 6146321 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Bluish Gray Part 15573 Element 6092572 ×2
  • Plate Special 1 x 2 with Door Rail Dark Bluish Gray Part 32028 Element 4543086 or 4541289 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Bluish Gray Part 87580 Element 6126083 or 4565322 ×2
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Dark Bluish Gray Part 18674 Element 6115080 ×2
  • Tile 1 x 1 with Groove Dark Bluish Gray Part 3070b Element 4210848 ×16
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 ×6
  • Tile 1 x 3 Dark Bluish Gray Part 63864 Element 4568734 Also in Black ×4
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×6
  • Weapon Gun / Blaster with Studs on Side Dark Bluish Gray Part 44709 Element 6255067 ×1

Light Bluish Gray 74 pieces

  • Brick 1 x 1 Light Bluish Gray Part 3005 Element 4211389 ×4
  • Brick 1 x 6 Light Bluish Gray Part 3009 Element 4211393 ×1
  • Brick 2 x 2 Light Bluish Gray Part 3003 Element 4211387 ×1
  • Brick 2 x 2 Corner Light Bluish Gray Part 2357 Element 4211349 ×1
  • Brick Round 1 x 1 Open Stud Light Bluish Gray Part 3062b Element 4211412 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Light Bluish Gray Part 54200 Element 4521921 or 4244372 ×4
  • Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] Light Bluish Gray Part 22388 Element 6258381 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Bluish Gray Part 3040b Element 4211614 ×1
  • Brick Sloped Inverted 45° 2 x 1 Light Bluish Gray Part 3665 Element 4211437 ×8
  • Equipment Binoculars Light Bluish Gray Part 30162 Element 4550170 or 4212313 ×2
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 ×4
  • Plate 1 x 10 Light Bluish Gray Part 4477 Element 4251149 or 4211495 ×2
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×1
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×1
  • Plate 1 x 8 Light Bluish Gray Part 3460 Element 4211425 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×1
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×2
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×2
  • Plate 2 x 8 Light Bluish Gray Part 3034 Element 4211406 ×8
  • Plate 3 x 3 Light Bluish Gray Part 11212 Element 6015347 ×1
  • Plate Special 1 x 1 Rounded with Handle Light Bluish Gray Part 26047 Element 6225246 ×4
  • Plate Special 1 x 1 with Tooth Light Bluish Gray Part 49668 Element 6213644 or 4225357 ×2
  • Plate Special 1 x 1 with Vertical Tooth Light Bluish Gray Part 15070 Element 6186013 ×6
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×2
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×5
  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 ×5
  • Tool Grappling Hook Light Bluish Gray Part 30192 Element 6270011 or 6135556 ×1

Trans-Yellow 55 pieces

  • Plate 1 x 1 Trans-Yellow Part 3024 Element 6513966 or 6252045 ×9
  • Plate 1 x 2 Trans-Yellow Part 3023 Element 6514002 or 6240211 ×46

Dark Blue 35 pieces

  • Brick 1 x 1 Dark Blue Part 3005 Element 6554189 or 4255413 ×7
  • Brick 1 x 10 Dark Blue Part 6111 Element 6224700 or 4296784 ×1
  • Brick 1 x 2 Dark Blue Part 3004 Element 4249891 ×4
  • Brick 1 x 4 Dark Blue Part 3010 Element 4264569 ×5
  • Brick Special 1 x 1 with Stud on 1 Side Dark Blue Part 87087 Element 6554212 or 6224377 ×1
  • Plate 1 x 1 Dark Blue Part 3024 Element 6554188 or 4184108 ×7
  • Plate 1 x 2 Dark Blue Part 3023 Element 6554191 or 4528981 Also in Black ×3
  • Plate 1 x 6 Dark Blue Part 3666 Element 4508313 or 4177734 ×1
  • Plate 1 x 8 Dark Blue Part 3460 Element 6250216 or 4186628 ×4
  • Tile 1 x 6 with Groove Dark Blue Part 6636 Element 4252437 Also in Black ×2

Black 13 pieces

  • Bracket 1 x 2 - 2 x 2 Inverted Black Part 99207 Element 6000650 ×1
  • Plate 1 x 12 Black Part 60479 Element 4514845 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 Also in Dark Bluish GrayAlso in Dark Blue ×2
  • Plate 4 x 12 Black Part 3029 Element 302926 ×3
  • Tile 1 x 3 Black Part 63864 Element 4558170 Also in Dark Bluish Gray ×2
  • Tile 1 x 6 with Groove Black Part 6636 Element 663626 Also in Dark Blue ×2
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×1
  • Tile 2 x 3 with Batman 80 years Print Black Part 26603pr0029 Element 6289849 ×1

Dark Brown 5 pieces

  • Barrel 2 x 2 x 2 Dark Brown Part 2489 Element 6605459 or 6278987 ×1
  • Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Dark Brown Part 64644 Element 4538950 ×4

Flat Silver 5 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Flat Silver Part 53451 Element 6270108 or 4612901 ×4
  • Plate Round 1 x 1 Swirled Top Flat Silver Part 15470 Element 6058160 ×1

Reddish Brown 4 pieces

  • Dish 2 x 2 Inverted [Radar] Reddish Brown Part 4740 Element 4660435 or 4267996 ×1
  • Fence Spindled 1 x 4 x 2 [4 Top Studs] Reddish Brown Part 15332 Element 6066114 ×1
  • Plate 2 x 2 Reddish Brown Part 3022 Element 4613975 or 4216695 ×1
  • Tile 1 x 4 with Groove Reddish Brown Part 2431 Element 4211194 ×1

Yellow 4 pieces

  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×2
  • Tile Round 2 x 2 with Black Batman Logo Print Yellow Part 14769pr1050 Element 6151937 ×1
  • Wedge Plate 4 x 2 Left Yellow Part 41770 Element 4161331 ×1

White 2 pieces

  • Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud] White Part 60475b Element 6321349 or 4533763 ×2

Lime 1 piece

  • Brick 2 x 4 Lime Part 3001 Element 4165967 or 4122453 ×1

Minifigures 1 figure

  • Batman, Black Suit, Black Cape and Cowl, Yellow Batman Logo (39444 Cape) 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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