Hoberman Mini Sphere - Firefly Glow Maths problem solving
$16.95
Description
problem solving
Larger 39 x 39 x 22 cm
which snaps open and closed for easy storage
Recommended Age 3+
praying mantis
Hoberman Mini Sphere - Firefly Glow Maths problem solvingThe 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
Shipping Notes
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