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HOBERMAN SPHERE Large

Item No: 5349

$39.00

Designed by math professor Chuck Hoberman, this expandable sphere of polymer links combines mathematics, geometry and aesthetics.

Wear it like a costume or crawl inside; juggle with it; teachers can illustrate geometry with it; music teachers demonstrate musical principles of dynamics, phrasing, and rhythms; movement and dance classes use it as a performance prop and choreograph with it.

Includes activity booklet. Opens from 9½" to 30" expanding 30 times in volume!
Winner of Parent's Choice Gold Award.

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