The Hoberman Sphere™ for Geometry
Large view | Product Details | Related Products |
Product Number: TB18334T Price: $23.50 |
PRODUCT DETAILS
Combines mathematics, geometry, and aesthetics into a magical motion of surprising simplicity, beauty, and fun. Its system of polymer links expands and contracts almost effortlessly, changing in volume 30 times. A great tool for teaching geometry. Expands from 9-1/4" to 30". Grade 1 and up.
RELATED ITEMS
|
|
|
|
|
|
|
