The Batcave: The Penguin and Mr. Freeze's Invasion

What there is most of

• Tile 2 x 2 with Groove · Light Bluish Gray×32
• Brick 1 x 2 · Black×30
• Plate 1 x 2 · Dark Bluish Gray×24
• Plate Round 1 x 1 with Solid Stud · Trans-Yellow×24
• Tile Special 1 x 2 Grille with Bottom Groove · Dark Bluish Gray×23
• Technic Pin with Friction Ridges Lengthwise and Center Slots · Black×17
• Brick 1 x 4 · Dark Bluish Gray×16
• Stairs Spiral Step · Light Bluish Gray×16
• Technic Pin 1/2 without Friction Ridges · Blue×16
• Brick 1 x 1 · Black×14
• Plate Special 1 x 2 with 1 Stud without Groove (Jumper) · Light Bluish Gray×14
• Technic Brick 1 x 1 with Pin Hole · Dark Bluish Gray×14
• Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) · Trans-Yellow×12
• Brick Sloped 45° 2 x 1 with Bottom Pin · Black×12
• Plate 2 x 6 · Light Bluish Gray×12
• Brick 2 x 2 · Black×11
• Brick Round 2 x 2 with Axle Hole · Dark Bluish Gray×11
• Plate Round 2 x 2 with Rounded Bottom [Boat Stud] · Light Bluish Gray×11
• Plate Special 1 x 2 Side Handle [Free Ends] · Dark Bluish Gray×11
• Arm Mechanical with 2 Clips [Battle Droid] · Black×10

The twenty most numerous parts, longest bar first. Start a checklist to see all 263 part types and tick them off as you find them.