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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Brightly coloured and numbered for easy learning
It cleverly combines mathematics and geometry to create a surprising motion that fascinates children and adults alike
The Mini Sphere is rigid enough that you can throw it
Each bell produces a clear
Recommended for ages 3+
Hoberman Mini Sphere - Firefly Glow Down syndrome Brightly coloured and numbered forThe Hoberman Sphere is an expanding and contracting ball. It cleverly combines mathematics and geometry to create a surprising motion that fascinates children and adults alike. The basic shape of the Mini Sphere is a trapezoidal icositetrahedron which is different to that of the larger Original Sphere. The structure of the Mini Sphere comprises lots of small glow in the dark plastic links joined together in pairs which fold and unfold in a scissor
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