The Workshop Sheet 10 of 19

LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

The Batman Dragster: Catwoman Pursuit

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7779 The Batman Dragster: Catwoman Pursuit

83 pieces in 56 part and color combinations, plus 2 minifigures.

The official piece count includes the 9 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

Black 33 pieces

  • Bracket 1 x 2 - 2 x 2 Black Part 44728 Element 6117973 or 6048855 ×2
  • Brick 2 x 4 Black Part 3001 Element 300126 ×1
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Black Part 47457 Element 6394979 or 4218575 ×1
  • Brick Curved 3 x 1 No Studs Black Part 50950 Element 4251161 ×2
  • Brick Curved 6 x 1 Black Part 42022 Element 4160393 ×2
  • Brick Special 1 x 1 Studs on 4 Sides Black Part 4733 Element 473326 ×1
  • Brick Wedged, Curved 16 x 4 Triple with Inner Ridges Black Part 45301 Element 4200486 ×1
  • 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 4 Black Part 43713 Element 4180469 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Left Black Part 43710 Element 6040297 or 4180413 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Right Black Part 43711 Element 6040298 or 4180423 ×1
  • Creature Body Part, Dragon Wing 8 x 10 [Plain] Black Part 55706 Element 6433446 or 6270056 ×1
  • Equipment Whip [aka Plant Vine] Black Part 2488 Element 6268824 or 4161403 ×1
  • Plate 2 x 10 Black Part 3832 Element 383226 ×1
  • Plate Special 1 x 1 with Tooth Black Part 49668 Element 4273590 ×2
  • Technic Axle Connector with Axle Hole Black Part 32039 Element 4107081 or 3203926 ×1
  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Black Part 32064b ×1
  • Technic Brick 4 x 6 with 2 x 4 Opening Black Part 32531 Element 6456527 or 4162508 ×1
  • Tile Special 1 x 1 with Clip and Straight Tips Black Part 2555 Element 255526 ×1
  • Turntable 2 x 2 Plate, Light Bluish Gray Top [Complete Assembly] Black Part 3680c02 Element 4221774 ×1
  • Tyre 14 x 4 Smooth Small Single Black Part 3139 Element 313926 ×1
  • Tyre 21 x 6 City Motorcycle Black Part 50861 Element 6064174 or 4244953 ×2
  • Tyre 24 x 14 Shallow Tread (Tread Small Hub) Black Part 30648 Element 4524358 or 4153005 ×2
  • Vehicle Base, Motorcycle Chassis, Short Fairing Mounts Black Part 50859a ×1

Dark Bluish Gray 16 pieces

  • Equipment Binoculars Dark Bluish Gray Part 30162 Element 4587887 or 4211051 ×4
  • Hinge Plate 1 x 2 Locking with 1 Finger On Top Dark Bluish Gray Part 30383 Element 6265693 or 4210726 ×2
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Bluish Gray Part 4081b Element 6281996 or 4632574 ×2
  • Technic Axle 3 with Stud Dark Bluish Gray Part 6587 Element 6587199 or 6129590 ×2
  • Technic Axle and Pin Connector Angled #1 Dark Bluish Gray Part 32013 Element 32013199 or 6296856 ×2
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 ×2

Light Bluish Gray 10 pieces

  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Light Bluish Gray Part 47457 Element 4494475 ×1
  • Brick Special 2 x 4 with Pins Light Bluish Gray Part 6249 Element 6356158 or 4211676 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Bluish Gray Part 2654 Element 4278273 or 4276273 ×1
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Light Bluish Gray Part 2444 Element 4211359 or 2444194 ×1
  • Pneumatic T-Piece (T Bar) [New Style] Light Bluish Gray Part 4697b Element 4211508 1 spare in the box ×2
  • Wedge Plate 4 x 9 without Stud Notches Light Bluish Gray Part 2413 Element 4211558 ×1
  • Wheel Centre 15 x 6 City Motorcycle with Stub Axles Light Bluish Gray Part 50862 Element 6410997 or 4590443 ×2
  • Wheel Holder 2 x 2 Thin with Clips, Plane Single Light Bluish Gray Part 2415 Element 6321198 or 4211351 ×1

Blue 7 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×5

Pearl Gold 4 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Pearl Gold Part 2412b Element 4490599 ×2
  • Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Pearl Gold Part 55981 Element 6109685 or 6054532 ×2

Trans-Neon Orange 3 pieces

  • Wave / Flame Rounded with Base Pegs Trans-Neon Orange Part 6126a ×3

Dark Red 2 pieces

  • Brick 1 x 2 Dark Red Part 3004 Element 4539102 or 4163454 ×1
  • Tile 2 x 2 with Groove Dark Red Part 3068b Element 4539105 or 4177046 ×1

Trans-Red 2 pieces

  • Cone 1 x 1 [No Top Groove] Trans-Red Part 4589 Element 618841 ×2

Dark Purple 1 piece

  • Fairing, Motorcycle, Modern Dark Purple Part 52035 Element 4655193 or 4294399 ×1

Red 1 piece

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×1

Trans-Brown 1 piece

  • Windscreen 8 x 4 x 2 Curved Taper with Locking Dual 2 Fingers Trans-Brown Part 30536 Element 4215614 or 4143049 ×1

Trans-Neon Green 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Neon Green Part 6141 Element 6240223 or 3005749 1 spare in the box ×1

White 1 piece

  • Wheel Centre Small with Stub Axles (Pulley Wheel) White Part 3464 Element 4296997 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 7779-1 [No Color/Any Color] Part 56708 Element 4297011 ×1

Minifigures 2 figures

  • Batman, Light Bluish Gray Suit, Black Cape and Cowl, Light Nougat Head Minifigure, checked as a whole figure ×1
  • Catwoman in Black Outfit 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.