Brick Round 3 x 3 x 2 Recessed Center with 2 x 2 Studs and Axle Hole

Plate 1 x 2 Tile 1 x 2 with Groove Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Technic Pin with Friction Ridges Lengthwise with No Center Slots Plate 2 x 4 Brick Round 1 x 1 Open Stud Technic Axle Pin with Friction Ridges Lengthwise Plate Round 1 x 1 with Solid Stud Plate 1 x 4 Plate 2 x 2 Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Bracket 1 x 2 - 2 x 2 Inverted