Batman and Mega Mech

What there is most of

• Brick Sloped Inverted 45° 2 x 1 · Black×4
• Cone 1 x 1 [Top Groove] · Dark Bluish Gray×4
• Plate Round 1 x 1 with Open Stud · Yellow×4
• Plate Special 1 x 2 with Handle on End [Closed Ends] · Black×4
• Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] · Black×3
• Arm Mechanical with Clip [Thick Support] · Black×2
• Bar Holder with Clip · Yellow×2
• Bracket 1 x 2 - 1 x 2 Inverted · Dark Bluish Gray×2
• Brick Curved 2 x 1 with Inverted Cutout · Black×2
• Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) · Trans-Yellow×2
• Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] · Black×2
• Brick Sloped Double 45° 1 x 1 · Dark Bluish Gray×2
• Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] · Black×2
• Plate Special 1 x 2 5.9mm Centre Side Towball Socket · Light Bluish Gray×2
• Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L · Light Bluish Gray×2
• Weapon Batarang · Black×2
• Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] · Dark Bluish Gray×1
• Bar, 4 Top Bars, Palm Tree Top · Black×1
• Brick Curved Inverted 2 x 2 x 2/3 · Black×1
• Brick Wedged, Curved 2 x 2 with Stud Notches · Black×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 27 part types and tick them off as you find them.