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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 Joker Batcave Attack

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10753 The Joker Batcave Attack

137 pieces in 81 part and color combinations, plus 3 minifigures.

The official piece count includes the 14 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

Bricks Sloped 17 pieces

  • Brick Sloped 33° 3 x 1 Black Part 4286 Element 428626 ×2
  • Brick Sloped 45° 2 x 3 Black Part 3038 Element 303826 ×2
  • Brick Sloped 45° 2 x 4 Blue Part 3037 Element 4107437 or 303723 ×1
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Blue Part 3678b Element 4653712 or 4549797 ×2
  • Brick Sloped 45° 2 x 2 Dark Bluish Gray Part 3039 Element 4211054 ×4
  • Brick Sloped 45° 2 x 2 Dark Purple Part 3039 Element 6107200 ×2
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Light Bluish Gray Part 3678b Element 4234535 or 4215353 ×1
  • Brick Sloped 45° 2 x 2 with Aircraft Multiple Flight Controls Print White Part 3039pr0013 Element 6032098 or 6016723 ×1
  • Brick Sloped 45° 2 x 2 with Green Radar, Green/Red Buttons and Disk Slot Print White Part 3039pr0002 Element 4195659 ×1
  • Brick Sloped 33° 3 x 2 Yellow Part 3298 Element 329824 ×1

Tiles 15 pieces

  • Tile 2 x 4 with Yellow Batman Logo Print Black Part 87079pr0090 Element 6147001 ×2
  • Tile 1 x 3 Blue Part 63864 Element 4587840 ×2
  • Tile 1 x 6 with Groove Dark Bluish Gray Part 6636 Element 4210651 ×2
  • Tile 1 x 2 with Groove Trans-Red Part 3069b Element 6514220 or 6251290 ×2
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2
  • Tile 1 x 4 with Red and White Danger Stripes Red Print White Part 2431pr0077 Element 6102861 or 81266 ×2
  • Tile 2 x 4 with Thin Red Lips, White Teeth, Thick Black Outline Print (Joker) White Part 87079pr0139 Element 6218544 ×1
  • Tile 1 x 4 with Black Diagonal Stripes Print Yellow Part 2431pr0017 Element 4119091 ×1
  • Tile 2 x 2 with Groove Yellow Part 3068b Element 6388487 or 306824 ×1

Bricks Round and Cones 11 pieces

  • Brick Round 2 x 2 with Axle Hole Reddish Brown Part 3941 Element 4211166 ×2
  • Brick Round 1 x 1 Open Stud Trans-Green Part 3062b Element 6514234 or 6238046 ×1
  • Brick Round 1 x 1 Open Stud Trans-Red Part 3062b Element 6514235 or 6238673 ×1
  • Brick Round 1 x 1 Open Stud Trans-Yellow Part 3062b Element 6514236 or 6238674 ×6
  • Brick Round 2 x 2 with Axle Hole Trans-Yellow Part 3941 Element 6514285 or 6273155 ×1

Bricks Special 11 pieces

  • Brick Special 1 x 1 Studs on 4 Sides Black Part 4733 Element 473326 ×1
  • Brick Special 1 x 2 with Vertical Clip [Open O Clip] Black Part 30237b Element 6330197 or 6092876 ×2
  • Brick Special 1 x 4 with 4 Studs on One Side Black Part 30414 Element 4162443 ×1
  • Brick Special 1 x 2 with 2 Studs on 1 Side Light Bluish Gray Part 11211 Element 6015344 ×3
  • Brick Special 1 x 2 with Vertical Closed Handle Inset from Edge Light Bluish Gray Part 26597 Element 6156663 ×2
  • Brick Special 1 x 2 with Vertical Clip [Open O Clip] Red Part 30237b Element 6330198 or 6127728 ×2

Bricks Curved 8 pieces

  • Brick Curved 6 x 1 Black Part 42022 Element 4160393 ×2
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Blue Part 47457 Element 4496366 ×2
  • Brick Curved 3 x 1 No Studs Lime Part 50950 Element 4537928 ×2
  • Brick Curved 2 x 2, Two Top Studs Yellow Part 30165 Element 4187061 or 4181838 ×2

Tiles Special 8 pieces

  • Tile Special 1 x 2 with Handle Blue Part 2432 Element 243223 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×4
  • Tile Special 2 x 2 with Top Pin Light Bluish Gray Part 2460 Element 4211365 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Pearl Gold Part 2412b Element 4490599 ×1

Wheels and Tyres 8 pieces

  • Tyre 21 x 12 with Offset Tread Small Wide and Center Band Black Part 87697 Element 6575727 or 4568644 ×4
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin White Part 6014b Element 4170457 ×4

Bricks 7 pieces

  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×2
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×1
  • Brick 1 x 6 Green Part 3009 Element 4111844 or 300928 ×1
  • Brick 2 x 2 Light Bluish Gray Part 3003 Element 4211387 ×2
  • Brick 1 x 2 Orange Part 3004 Element 4613981 or 4121739 ×1

Plates Special 7 pieces

  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Black Part 92593 Element 4599499 ×1
  • Plate Special 1 x 2, Top Clip [Split] Light Bluish Gray Part 92280 Element 4598526 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Light Bluish Gray Part 87580 Element 6126082 or 4565393 ×2
  • Plate Special 8 x 9 x 2/3 with 1 x 4 Recessed Light Bluish Gray Part 15624 Element 6055165 ×1
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Yellow Part 10247 Element 6061025 ×1

Plates 6 pieces

  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate 4 x 6 Black Part 3032 Element 303226 ×1
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×2
  • Plate 2 x 8 Yellow Part 3034 Element 303424 ×2

Minifig Accessories 5 pieces

  • Equipment Ball and Chain with 1 x 1 Round Plate Black Part 15532 Element 6325312 or 6055308 ×1
  • Equipment Dynamite Sticks Red Part 64728 Element 6270088 or 4538780 ×2
  • Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun Red Part 4349 Element 434921 ×1
  • Tap 1 x 1 without Hole in Spout Yellow Part 4599b Element 4256320 1 spare in the box ×1

Tiles Round and Curved 5 pieces

  • Tile Round 2 x 2 with Archery Target Print White Part 14769pr1040 Element 6139454 ×2
  • Tile Round 2 x 2 with Black Batman Logo Print Yellow Part 14769pr1050 Element 6151937 ×3

Energy Effects 4 pieces

  • Wave / Flame Rounded with Base Rim Trans-Orange Part 6126b Element 6167741 or 4261397 ×2
  • Wave / Flame Rounded Large with Marbled Trans-Yellow Pattern Trans-Red Part 85959pat0003 Element 6513987 or 6172283 ×2

Transportation - Land 4 pieces

  • Vehicle Base 4 x 10 x 2 1/2 with Mudguards, Wheel Pins and 6 x 2 Centre Recess with 3 Holes, Light Bluish Gray Wheel Holders Dark Purple Part 12622c02 Element 6489695 or 6215662 ×1
  • Engine / Air Scoop 2 x 2 Light Bluish Gray Part 50943 Element 4259422 ×1
  • Steering Stand 1 x 2 with Black Steering Wheel Light Bluish Gray Part 3829c01 Element 4226995 ×1
  • Seat / Chair 2 x 2 with Center Sprue Mark Reddish Brown Part 4079b ×1

Bars, Ladders and Fences 3 pieces

  • Antenna 1 x 4 with Flat Top Black Part 3957b Element 395726 ×1
  • Bar Holder with Hole and Bar Handle Black Part 23443 Element 6321194 or 6143318 ×2

Plates Round Curved and Dishes 3 pieces

  • Plate Round Half 4 x 8 Black Part 22888 Element 6133200 ×2
  • Plate Round Corners 2 x 6 Double Lime Part 18980 Element 6173012 ×1

Rock 3 pieces

  • Rock Panel 2 x 4 x 6 Dark Bluish Gray Part 47847 Element 4513326 ×3

Minifig Shields, Weapons, & Tools 2 pieces

  • Weapon Batarang Black Part 98721 Element 4650620 1 spare in the box ×1
  • Tool Grappling Hook Dark Bluish Gray Part 30192 Element 6270008 or 4211079 ×1

Projectiles / Launchers 2 pieces

  • Launcher, Brick Special 1 x 4 with Inside Clips (Disk Shooter) with Recessed Center 2 Studs Light Bluish Gray Part 16968 Element 6096150 ×2

Supports, Girders and Cranes 2 pieces

  • Support 2 x 2 x 10 Girder Triangular Vertical - Type 4 - 3 Posts, 3 Sections Light Bluish Gray Part 95347 Element 6186292 ×2

Transportation - Sea and Air 2 pieces

  • Plane, Bottom 18 x 16 x 1 x 1 1/3 Black Part 35106 Element 6209798 ×1
  • Tail 4 x 1 with Pin Hole Black Part 28779 Element 6171909 ×1

Windows and Doors 2 pieces

  • Door Frame 2 x 4 x 6 Blue Part 60599 Element 6213339 ×1
  • Door 1 x 4 x 6 Barred with Stud Handle Light Bluish Gray Part 60621 Element 4610149 or 4519882 ×1

Animals / Creatures 1 piece

  • Animal, Bat Black Part 30103 Element 4587312 or 4106513 ×1

Panels 1 piece

  • Panel 1 x 4 x 3 with Batwing Jet Graphic, Green "1", Orange "2", Red "3" Print White Part 60581pr0008 Element 6214240 ×1

Minifigures 3 figures

  • Robin with Red Eyemask (Jason Todd) Minifigure, checked as a whole figure ×1
  • The Joker Minifigure, checked as a whole figure ×1
  • Batman, Black Suit, Black Cape and Cowl, Yellow Batman Logo, White Headband (37157 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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