Polydron Sphera 65 curved plastic building pieces 3D geometric shapes

Sphere shape 9 green 9 red 9 yellow 9 blue (4 of them are like a window)  Cone pieces 4 green 4 red 4 yellow 4 blue  Quadrant piece  1 green 1 yellow  Cylinder piece 2 green 3 red 3 yellow 3 blue   3 instruction guides  Curved Interlocking Joints: Unlike classic flat-faced geometric toys, Polydron Sphera utilizes unique clip hinges specifically engineered to map curved surfaces seamlessly. Helper Tool Feature: Connecting spherical segments requires a technique where pieces are laid flat on a specialized helper piece to snap together comfortably. The final piece of a sphere typically includes a triangular hole to accommodate easy hinge closing and act as a stabilizing stand so the assembled ball won't roll away.