Range: Polydron SpheraAge: 8 years +Contents: 50 components and Exploring Sphera activity bookletWeight (kg): 0.84L x W x H (cm): 24 x 29 x 8A great way to understand spherical models, build a sphere, hemisphere, cylinder, half cylinder, cone and half cone all at once.

• This 50 piece set contains 12 sphere pieces, 22 quadrant pieces, 6 cone pieces, 6 cylinder pieces, 2 squares and 2 right angle triangles.
• Ideal for small groups of children.
• Polydron Sphera is ideal for understanding spherical models.
• Polydron Sphera allows you to create your own spheres, cylinders and cones.
• Supplied in 4 colours.