Range: Polydron SpheraAge: 7 to 11 yearsDesigned to be used with our Original Polydron Sphera sets available on our website.

• This 32 page A4 professionally written book contains clear and simple activities when using Polydron Sphera.
• It satisfies the requirements of the English National Numeracy Framework.
• Original Polydron Sphera, available elsewhere on our website, is ideal for understanding spherical models and is available in a number of set configurations.