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This ideal class set allows you to build over 16 different spherical models together. Sphera brings all the benefits of polydron to help you understand spheres, cylinders and cones. This pack comes with thorough and easy to follow instructions.
This 196 set contains: 20 squares, 36 spheres, 72 quadrants, 16 cones, 12 cylinders, 40 right angle triangles an exploring booklet and a gratnells tray. Sides of squares measure 73mm.
Suitable for ages 4+ years.