Hoberman Mini Sphere - Firefly Glow Down syndrome Each bell produces a clear

Each bell produces a clear

Brightly coloured and numbered for easy learning

The basic shape of the Mini Sphere is a trapezoidal icositetrahedron which is different to that of the larger Original Sphere

It cleverly combines mathematics and geometry to create a surprising motion that fascinates children and adults alike

Hoberman Mini Sphere - Firefly Glow Down syndrome Each bell produces a clearThe 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