Mario Kart – Bowser's Castle

What there is most of

• Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] · Light Bluish Gray×47
• Plate Round 1 x 1 with Open Stud · Yellow×21
• Brick 2 x 3 · Light Bluish Gray×17
• Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) · Light Bluish Gray×15
• Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side · Light Bluish Gray×14
• Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End · Dark Bluish Gray×12
• Minifig Head [Plain] [Vented Stud - 2 Holes] · Trans-Orange×12
• Plate 2 x 2 · Bright Light Orange×12
• Plate Round 1 x 1 with Open Stud · Green×12
• Plate Round 1 x 1 with Solid Stud · Black×12
• Brick 2 x 2 · Light Bluish Gray×11
• Plate Special 1 x 2 Rounded with 2 Open Studs · Black×11
• Plate 1 x 1 · Bright Light Orange×10
• Plate Special 1 x 4 with 2 Studs with Groove [New Underside] · Black×10
• Plate 1 x 4 · Dark Bluish Gray×9
• Plate 2 x 4 · Black×9
• Technic Pin with Friction Ridges Lengthwise with No Center Slots · Black×9
• Technic Pin without Friction Ridges Lengthwise · Yellow×9
• Bracket 1 x 2 - 2 x 2 · Black×8
• Bracket 1 x 2 - 2 x 2 Inverted · Dark Bluish Gray×8

The twenty most numerous parts, longest bar first. Start a checklist to see all 348 part types and tick them off as you find them.