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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.

Batwing Battle Over Gotham City

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6863 Batwing Battle Over Gotham City

266 pieces in 125 part and color combinations, plus 4 minifigures.

LEGO counts 278 pieces. This inventory comes from a separate parts catalog and lists 284, including the 18 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.

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 101 pieces

  • Bracket 1 x 2 - 2 x 2 Black Part 44728 Element 6117973 or 6048855 ×1
  • Brick 1 x 1 Black Part 3005 Element 300526 ×2
  • Brick Curved 10 x 1 [Asymmetric Inside Ridges] Black Part 85970 Element 4567440 ×4
  • Brick Curved 4 x 1 Double, No Studs Black Part 93273 Element 4613153 Also in Dark Bluish Gray ×1
  • Brick Curved 4 x 1 No Studs [Stud Holder with Asymmetric Ridges] Black Part 61678 ×2
  • Brick Sloped 18° 4 x 1 Black Part 60477 Element 4515362 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 Also in Dark Bluish Gray ×2
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Black Part 3747b Element 4500458 or 374726 ×1
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×2
  • Brick Special 1 x 1 Studs on 4 Sides Black Part 4733 Element 473326 ×1
  • Brick Special 1 x 4 with 4 Studs on One Side Black Part 30414 Element 4162443 ×1
  • Brick Wedged, Curved 4 x 4 No Top Studs Black Part 47753 Element 4219107 ×2
  • Brick Wedged, Curved 6 x 2 Left, Inner Ridges Black Part 41748 Element 4160130 ×1
  • Brick Wedged, Curved 6 x 2 Right, Inner Ridges Black Part 41747 Element 4160108 ×1
  • Brick Wedged, Curved Inverted 6 x 2 Left Black Part 41765 Element 6468980 or 4161281 ×1
  • Brick Wedged, Curved Inverted 6 x 2 Right Black Part 41764 Element 6468984 or 4161266 ×1
  • Hinge Plate 1 x 12 Locking with Angled Side Extensions and Tapered Ends, 7 Teeth Black Part 57906 Element 6525158 or 4636410 ×3
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth Black Part 44302a Element 4183060 ×4
  • Plate 1 x 2 Black Part 3023 Element 302326 ×2
  • Plate 2 x 10 Black Part 3832 Element 383226 ×2
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Black Part 48336 Element 4225201 ×1
  • Plate Special 1 x 2 with Angular Extension and Flexible Black Tip Black Part 61406pat0006 Element 6475313 or 6147259 ×1
  • Plate Special 1 x 2, Top Clip [Split] Black Part 92280 Element 4598528 ×4
  • Plate Special 1 x 4 with Angled Tubes Black Part 61072 Element 4516196 ×2
  • Plate Special 4 x 4, Studs on One Edge Plain] Black Part 6179 Element 617926 ×1
  • Plate Special 4 x 6, Studs on 3 Edges Black Part 6180 Element 4100378 or 618026 ×2
  • Propeller 3 Blades 5 Diameter, Pin Hole Black Part 92842 Element 6360206 or 4599984 ×1
  • Support 2 x 2 x 10 Girder Triangular Vertical - Type 3 - Axle Hole, 3 Posts Black Part 58827 Element 4509669 ×1
  • Technic Ball Joint with Through Axle Hole Black Part 53585 Element 4286267 ×1
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×4
  • Technic Brick 1 x 4 [3 Pin Holes] Black Part 3701 Element 370126 ×3
  • Technic Brick 1 x 6 [5 Pin Holes] Black Part 3894 Element 389426 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×4
  • Technic Plate 2 x 6 [5 Holes] Black Part 32001 Element 3200126 ×2
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×4
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×2
  • Weapon Axe Head, Clip-on (Viking) [Thin Clip] Black Part 53705 ×2
  • Weapon Batarang Black Part 98721 Element 4650620 1 spare in the box ×1
  • Weapon Gun [Automatic Long Barrel and Round Magazine] Black Part 85973 Element 6129265 or 4549989 ×1
  • Wedge Plate 12 x 3 Left Black Part 47397 Element 4209003 ×1
  • Wedge Plate 12 x 3 Right Black Part 47398 Element 4209013 ×1
  • Wedge Plate 3 x 2 Left Black Part 43723 Element 4180536 ×4
  • Wedge Plate 3 x 2 Right Black Part 43722 Element 4180508 ×4
  • Wedge Plate 4 x 4 Cut Corner Black Part 30503 Element 4160025 ×4
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Black Part 43719 Element 6275401 or 4561035 ×1
  • Wedge Plate 8 x 3, 22° Left Black Part 50305 Element 4251394 ×4
  • Wedge Plate 8 x 3, 22° Right Black Part 50304 Element 4251393 ×4

Dark Bluish Gray 49 pieces

  • Brick 1 x 2 Dark Bluish Gray Part 3004 Element 4211088 ×2
  • Brick Curved 4 x 1 Double, No Studs Dark Bluish Gray Part 93273 Element 4648256 Also in Black ×1
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Dark Bluish Gray Part 61409 Element 4540386 or 4521185 ×8
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Bluish Gray Part 85984 Element 4567887 Also in Black ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [Original Version] Dark Bluish Gray Part 92946 ×2
  • Brick Special 2 x 2 with Pin and Axle Hole Dark Bluish Gray Part 6232 Element 6408023 or 4211046 ×1
  • Brick Special 2 x 4, with 2 x 2 Brick with Top Pin and 1 x 2 Side Plates Dark Bluish Gray Part 30592 Element 6301436 or 6278507 ×1
  • Helicopter Skid Rails 12 x 6 Dark Bluish Gray Part 30248 Element 6259802 or 4546207 ×1
  • Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends Dark Bluish Gray Part 30552 Element 4210694 ×3
  • Hinge Plate 1 x 2 Locking with 1 Finger On Top Dark Bluish Gray Part 30383 Element 6265693 or 4210726 ×4
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 ×2
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×2
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×6
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×3
  • Plate 4 x 10 Dark Bluish Gray Part 3030 Element 4211122 ×1
  • Plate 4 x 6 Dark Bluish Gray Part 3032 Element 4211115 or 3032199 ×1
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Dark Bluish Gray Part 2444 Element 4196768 ×5
  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×1
  • Technic Beam 1 x 11 Thick Dark Bluish Gray Part 32525 Element 4603472 or 4534914 ×1
  • Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Dark Bluish Gray Part 90194 Element 6170522 or 4596895 ×1
  • Wedge Plate 4 x 2 Left Dark Bluish Gray Part 41770 Element 4210788 ×1
  • Wedge Plate 4 x 2 Right Dark Bluish Gray Part 41769 Element 4210782 ×1

Light Bluish Gray 27 pieces

  • Bar 4L (Lightsaber Blade / Wand) Light Bluish Gray Part 30374 Element 6116608 or 4211628 ×1
  • Lever Small Base with Black Lever Light Bluish Gray Part 298c02 Element 4221775 1 spare in the box ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×2
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Bluish Gray Part 2654 Element 4278273 or 4276273 ×4
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×2
  • Technic Axle Connector Hub with 3 Axles at 120° Light Bluish Gray Part 57585 Element 4502595 ×1
  • Technic Pin 1/2 with 2L Bar Extension Light Bluish Gray Part 61184 Element 6347715 or 4520320 ×6
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×1
  • Technic Pin Connector Round [Slotted] Light Bluish Gray Part 62462 Element 6173127 or 4526985 ×1
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×4
  • Tile 1 x 2 with Red 82, Yellow and White Gauges Print Light Bluish Gray Part 3069bpr0101 Element 4227776 ×1
  • Wedge Plate 3 x 3 Cut Corner Light Bluish Gray Part 2450 Element 4211361 ×2

Yellow 23 pieces

  • Brick Sloped 18° 4 x 2 Yellow Part 30363 Element 4124463 ×1
  • Lever Small Base with Black Lever Yellow Part 298c02 Element 74156 1 spare in the box ×2
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×10
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×3
  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 2 spares in the box ×6
  • Tile 2 x 2 with Groove Yellow Part 3068b Element 6388487 or 306824 ×1

Green 17 pieces

  • Brick 1 x 1 Green Part 3005 Element 300528 ×2
  • Brick 1 x 4 Green Part 3010 Element 4112838 or 301028 ×1
  • Brick 2 x 2 Corner Green Part 2357 Element 4125281 or 4112544 ×2
  • Brick Sloped 33° 3 x 1 Green Part 4286 Element 4107637 or 428628 ×4
  • Plate 1 x 4 Green Part 3710 Element 371028 ×1
  • Plate 2 x 6 Green Part 3795 Element 379528 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Green Part 60470b Element 6347288 or 4556159 ×1
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Green Part 32064b ×2
  • Wedge Plate 3 x 2 Left Green Part 43723 Element 4621946 or 4180538 ×1
  • Wedge Plate 3 x 2 Right Green Part 43722 Element 4621947 or 4180510 ×1

Red 12 pieces

  • Brick Round 2 x 2 x 2 Robot Body, Axle Holder '+' Orientation Red Part 30361c Element 6251169 or 6173050 ×1
  • Brick Special 1 x 1 with Stud on 1 Side Red Part 87087 Element 4558886 ×6
  • Flag 4 x 1 Wavy [First Wave Right] Red Part 4495b Element 6268946 or 449521 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Red Part 2654 Element 4617080 or 4278275 ×3
  • Technic Axle and Pin Connector Angled #2 - 180° Red Part 32034 Element 6351572 or 4234429 ×1

Dark Purple 9 pieces

  • Brick Curved 2 x 2 with Lip, No Studs Dark Purple Part 30602 Element 4566523 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Purple Part 85984 Element 4566607 ×2
  • Plate Round 1 x 1 with Solid Stud Dark Purple Part 6141 Element 4566522 1 spare in the box ×4
  • Windscreen 5 x 2 x 1 2/3 Dark Purple Part 6070 Element 4650619 ×2

White 7 pieces

  • Arm Mechanical with 2 Clips [Battle Droid] White Part 30377 Element 6321345 or 4260649 1 spare in the box ×4
  • Brick Round 2 x 2 Dome Top with Angry Eyes and Grin Print (Joker Bomb) White Part 30367cpr0020 Element 4655683 ×1
  • String with End Studs and Minifig Grips 21L White Part 14210 Element 6096959 or 6037448 1 spare in the box ×1
  • Tail Shuttle White Part 6239 Element 623901 ×1

Trans-Orange 4 pieces

  • Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Orange Part 58176 Element 6507868 or 6171764 ×4

Dark Green 2 pieces

  • Panel 1 x 2 x 1 [Square Corners] Dark Green Part 4865a Element 4528713 ×2

Dark Tan 2 pieces

  • Technic Axle 3 with Stud Dark Tan Part 6587 Element 6031821 or 6013821 ×2

Tan 2 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×2

Trans-Dark Blue 2 pieces

  • Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Dark Blue Part 58176 Element 6328198 or 6171763 ×2

Trans-Red 2 pieces

  • Cone 1 x 1 [Top Groove] Trans-Red Part 59900 Element 6514021 or 6337596 ×1
  • Wave / Flame Rounded Large with Marbled Trans-Orange Pattern Trans-Red Part 85959pat0001 Element 4548009 ×1

Trans-Yellow 2 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Yellow Part 54200 Element 6245272 or 4260942 1 spare in the box ×2

[No Color/Any Color] 2 pieces

  • Comic Book, Super Heroes, DC Universe, Issue 4 (6004468 / 6005847) [No Color/Any Color] Part 6004468 ×1
  • Sticker Sheet for Set 6863-1 [No Color/Any Color] Part 75011 Element 4659239 ×1

Orange 1 piece

  • Plate Round 1 x 1 with Solid Stud Orange Part 6141 Element 4157103 1 spare in the box ×1

Trans-Brown 1 piece

  • Windscreen 7 x 4 x 2 Round with Handle Trans-Brown Part 92279 Element 6337336 or 6245235 ×1

Trans-Clear 1 piece

  • Windscreen 8 x 4 x 2 with 4 Studs and Handle Trans-Clear Part 92579 Element 4597715 ×1

Minifigures 4 figures

  • Batman, Black Suit, Black Cape and Cowl, Yellow Batman Logo (56630 Cape) (3626b Head) Minifigure, checked as a whole figure ×1
  • The Joker Minifigure, checked as a whole figure ×1
  • The Joker's Henchman Minifigure, checked as a whole figure ×1
  • Batman, Black Suit, Black Cape and Cowl, Yellow Batman Logo (56630 Cape) (3626b Head), 55704 Cowl Minifigure, checked as a whole figure ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

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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.

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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.