What is it? This is a neat and facsinating sphere that expands from 9.5 inches to 30 inches in diameter.
How does it work? Just pull out opposite sides and watch it grow, tripling its diameter.
Cool Features: The glow in the dark one is fun, for younger kids it is fun to stand inside of it (with adult supervision). It is just simply interested for people of all ages.
Practical Point: This "toy" demonstrates many aspects of mathematics and science and can be used to as a teaching tool.
Do I recommend it? Yes
Quantity Recommended: 1
Age: 3+
-->View this and other reviewed items in the MomVault Amazon Store!
You may also be interested in reading: