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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.

Batboat Harbor Pursuit

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76034 Batboat Harbor Pursuit

252 pieces in 114 part and color combinations, plus 3 minifigures.

LEGO counts 264 pieces. This inventory comes from a separate parts catalog and lists 265, including the 13 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.

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Piece checklist

Plates 41 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×1
  • Plate 1 x 3 Black Part 3623 Element 362326 ×4
  • Plate 2 x 14 Black Part 91988 Element 6001494 ×1
  • Plate 2 x 3 Black Part 3021 Element 302126 ×3
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate 1 x 8 Dark Bluish Gray Part 3460 Element 4210998 ×1
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×2
  • Plate 1 x 2 Dark Tan Part 3023 Element 4528604 or 4497082 ×1
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×2
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×1
  • Plate 2 x 10 Light Bluish Gray Part 3832 Element 4211462 ×2
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×3
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×4
  • Plate 2 x 8 Red Part 3034 Element 303421 ×1
  • Plate 1 x 1 Trans-Orange Part 3024 Element 6513961 or 6252040 1 spare in the box ×6
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×3
  • Plate 2 x 2 Corner Yellow Part 2420 Element 242074 or 242024 ×4
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×1

Plates Special 37 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Black Part 15573 Element 6092585 ×6
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Black Part 60478 Element 4515368 ×2
  • Plate Special 1 x 2, Top Clip [Split] Black Part 92280 Element 4598528 ×4
  • Plate Special 1 x 2 with Clip Horizontal on End Dark Bluish Gray Part 63868 Element 6336990 or 4581225 ×2
  • Plate Special 1 x 2 with Pin Hole on Top Dark Bluish Gray Part 11458 Element 6019987 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Light Bluish Gray Part 99780 Element 6004990 ×1
  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×2
  • Bracket 2 x 2 - 2 x 2 Light Bluish Gray Part 3956 Element 6254807 or 6019212 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Light Bluish Gray Part 61252 Element 6335378 or 4541978 ×2
  • Plate Special 1 x 2 with Clip Horizontal on Side Light Bluish Gray Part 11476 Element 6313114 or 6028812 ×4
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Orange Part 15573 Element 6092599 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Tan Part 15573 Element 6092587 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Yellow Part 2540 Element 4140587 or 254024 ×8

Bricks Sloped 18 pieces

  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black Part 61409 Element 4541191 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×4
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×2
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Black Part 3678b Element 4273703 or 4256421 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Blue Part 54200 Element 4504374 or 4502092 1 spare in the box ×2
  • Brick Sloped Inverted 45° 4 x 4 Double with 4 x 2 Recessed, 2 Holes Dark Bluish Gray Part 72454 Element 4658974 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Light Bluish Gray Part 85984 Element 4568637 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Orange Part 54200 Element 6245265 or 4244369 1 spare in the box ×4

Bricks Curved 16 pieces

  • Brick Curved 10 x 1 [Symmetric Inside Ridges] Black Part 13731 Element 6037664 ×2
  • Brick Curved 4 x 1 Double, No Studs Black Part 93273 Element 4613153 ×2
  • Brick Curved 4 x 2 No Studs Black Part 93606 Element 4647286 ×2
  • Brick Curved Inverted 4 x 1 Black Part 13547 Element 6039869 ×4
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Blue Part 11477 Element 6554198 or 6094143 ×2
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Light Bluish Gray Part 47457 Element 4494475 ×3
  • Brick Curved 2 x 2 x 2/3 Orange Part 15068 Element 6067913 ×1

Bricks Round and Cones 15 pieces

  • Brick Round 1 x 1 Open Stud Dark Bluish Gray Part 3062b Element 4211090 ×5
  • Brick Round 1 x 1 with Fins, Open Stud Dark Bluish Gray Part 4588 Element 6331222 or 6321195 ×2
  • Brick Round 2 x 2 Dome Top, Hollow Stud Flat Silver Part 30367c Element 4613255 ×2
  • Cone 1 x 1 [Top Groove] Light Bluish Gray Part 59900 Element 4529241 ×2
  • Brick Round 2 x 2 with Axle Hole Orange Part 3941 Element 4141089 ×2
  • Cone 1 x 1 [Top Groove] Trans-Yellow Part 59900 Element 6514022 or 6337597 ×2

Plates Round Curved and Dishes 14 pieces

  • Dish 6 x 6 Inverted, Radar / Webbed [Anti-studs at 90°] Dark Bluish Gray Part 4285b Element 4224253 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Dark Bluish Gray Part 2654 Element 4613980 or 4278274 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Bluish Gray Part 4032a Element 4211475 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Clear Part 6141 Element 6514052 or 6240030 2 spares in the box ×6
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×4

Tiles 14 pieces

  • Tile 1 x 6 with Groove Black Part 6636 Element 663626 ×4
  • Tile 2 x 4 with Groove Black Part 87079 Element 4560182 ×2
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 ×4
  • Tile 1 x 4 with Groove Light Bluish Gray Part 2431 Element 4211356 or 2431194 ×1
  • Tile 2 x 2 with Groove Light Bluish Gray Part 3068b Element 4211413 ×1
  • Tile 2 x 4 with Groove Light Bluish Gray Part 87079 Element 4560183 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×1

Technic Bricks 11 pieces

  • Technic Brick 1 x 16 [15 Pin Holes] Black Part 3703 Element 370326 ×1
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×6
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Dark Bluish Gray Part 32064a Element 6178919 or 4210935 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Light Bluish Gray Part 32064a Element 6206249 or 4233493 ×2

Technic Pins 10 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×2
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×2
  • Technic Pin 1/2 with 2L Bar Extension Light Bluish Gray Part 61184 Element 6347715 or 4520320 ×4

Bricks Special 8 pieces

  • Brick Special 1 x 2 with Grille Light Bluish Gray Part 2877 Element 4211383 ×8

Technic Connectors 8 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Black Part 6553 Element 4107765 or 655326 ×2
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×2
  • Technic Axle and Pin Connector Perpendicular Double Black Part 32291 Element 6280394 or 4140430 ×2
  • Technic Axle and Pin Connector Angled #6 - 90° Yellow Part 32014 Element 6268925 or 6072968 ×2

Bars, Ladders and Fences 6 pieces

  • Bar 3L Black Part 87994 Element 6185316 or 6093525 1 spare in the box ×2
  • Antenna 8H Whip Light Bluish Gray Part 2569 Element 6265157 or 6164381 1 spare in the box ×2
  • Bar Holder with Clip Yellow Part 11090 Element 6341463 or 6015892 ×2

Bricks 5 pieces

  • Brick 1 x 12 Black Part 6112 Element 611226 ×2
  • Brick 2 x 6 Dark Bluish Gray Part 2456 Element 4282819 or 4210875 ×2
  • Brick 2 x 2 Orange Part 3003 Element 4153825 or 4119643 ×1

Projectiles / Launchers 5 pieces

  • Launcher, Weapon Gun / Blaster / Shooter Mini Black Part 15391 Element 6051331 ×2
  • Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray Part 15392 Element 6051334 1 spare in the box ×2
  • Launcher, Minifig Stand Flexible (Super Jumper) Trans-Clear Part 18663 Element 6167835 or 6093683 ×1

Transportation - Land 5 pieces

  • Handlebars Dark Bluish Gray Part 30031 Element 4261908 or 4210644 ×1
  • Engine / Air Scoop 2 x 2 Flat Silver Part 50943 Element 6076604 ×2
  • Steering Wheel Small, 2 x 2 [Reinforced] Light Bluish Gray Part 16091 Element 6092956 or 6061697 ×2

Technic Axles 4 pieces

  • Technic Axle 4 Black Part 3705 Element 370526 ×2
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×2

Technic Special 4 pieces

  • Technic Ball Joint with Through Axle Hole Black Part 53585 Element 4286267 1 spare in the box ×2
  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Dark Bluish Gray Part 92013 Element 4619760 ×2

Transportation - Sea and Air 4 pieces

  • Boat / Rubber Raft / Dinghy 6 x 10 Black Part 30086c01 Element 6093110 or 4154872 ×4

Panels 3 pieces

  • Panel 1 x 2 x 1 [Rounded Corners] Trans-Light Blue Part 4865b Element 6514122 or 6246890 ×2
  • Panel 1 x 2 x 1 [Rounded Corners] Yellow Part 4865b Element 6146219 ×1

Animal / Creature Body Parts 2 pieces

  • Creature Body Part, Dragon Wing 8 x 10 [Plain] Black Part 55706 Element 6433446 or 6270056 ×2

Bricks Wedged 2 pieces

  • Brick Wedged, Sloped 6 x 4 Cutout, Stud Notches Dark Blue Part 6153b Element 6115933 or 6003092 ×1
  • Brick Wedged, Curved Inverted 6 x 4 Dark Bluish Gray Part 43713 Element 4636417 or 4180470 ×1

Containers 2 pieces

  • Box 2 x 2 x 2 Door with Slot Light Bluish Gray Part 4346 Element 4211492 ×1
  • Box 2 x 2 x 2 [Hollow Studs] Light Bluish Gray Part 4345b Element 4211491 ×1

Flags, Banners and Signs 2 pieces

  • Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] Black Part 11055 Element 6011815 ×2

Hinges, Arms and Turntables 2 pieces

  • Plate Special 6 x 8 Trap Door Frame Horizontal [Long Pin Holders] Black Part 92107 Element 6057902 or 4595707 ×1
  • Plate Special 4 x 6 with Trap Door Hinge [Long Pins] Dark Bluish Gray Part 92099 Element 4595710 ×1

Minifig Neckwear 2 pieces

  • Minifig Neckwear Bracket [One Stud] Dark Bluish Gray Part 42446 Element 4210469 ×2

Minifig Shields, Weapons, & Tools 2 pieces

  • Weapon Gun / Pistol Two Barrel, 10 Ribs Dark Bluish Gray Part 95199 Element 4623236 ×1
  • Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] Flat Silver Part 30173b Element 4569471 1 spare in the box ×1

Rock 2 pieces

  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Clear Part 30153 Element 6513976 or 6247798 ×2

Technic Bushes 2 pieces

  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×2

Windscreens and Fuselage 2 pieces

  • Windscreen 4 x 4 x 4 2/3 with Handle Trans-Brown Part 11289 Element 6514340 or 6280337 ×2

Gear Parts 1 piece

  • Comic Book, Super Heroes, DC Comics, Batman (6128690 / 6128693) or (6138233 / 6138234) [No Color/Any Color] Part 6128690 Element 6138234 or 6138233 ×1

Stickers 1 piece

  • Sticker Sheet for Set 76034-1 [No Color/Any Color] Part 21411 Element 6116287 or 6116285 ×1

String, Bands and Reels 1 piece

  • Chain 6L [5 Links] Flat Silver Part 92338 Element 6323689 or 6064049 ×1

Tiles Special 1 piece

  • Tile Special 1 x 1 with Clip with Rounded Edges Black Part 15712 Element 6335388 or 6066102 ×1

Minifigures 3 figures

  • Batman, Dark Bluish Gray Suit, Black Cape and Cowl, Black Head, Dark Bluish Gray Legs, Small Batman Logo Minifigure, checked as a whole figure ×1
  • Deathstroke Minifigure, checked as a whole figure ×1
  • Robin with Dark Green Hands and Legs 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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