Bowser's Castle Boss Battle Expansion Set

What there is most of

• Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] · Tan×19
• Brick 1 x 1 · Light Bluish Gray×18
• Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots · Blue×18
• Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] · Black×16
• Brick Arch 1 x 3 x 2 Curved Top · Dark Bluish Gray×12
• Brick Curved 1 x 2 x 1 1/3 with Curved Top · Bright Light Orange×12
• Brick Wedged, Sloped 45° 2 x 2 Corner · Green×12
• Plate 1 x 2 · Light Bluish Gray×12
• Technic Pin with Friction Ridges Lengthwise and Center Slots · Black×12
• Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) · Tan×11
• Brick 1 x 4 · Light Bluish Gray×10
• Plate 1 x 1 · Bright Light Orange×10
• Plate Special 1 x 2 with Pin Hole Underneath · Red×10
• Tile 1 x 2 with Groove · Reddish Brown×10
• Tile 2 x 2 Curved, Macaroni · Dark Bluish Gray×10
• Brick 1 x 1 · Bright Light Orange×8
• Brick Arch 1 x 4 x 2 · Light Bluish Gray×8
• Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder · Green×8
• Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] · Light Bluish Gray×8
• Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side · Dark Bluish Gray×8

The twenty most numerous parts, longest bar first. Start a checklist to see all 338 part types and tick them off as you find them.