Product Description
Features::
* Brand New and High Quality.;
* The Amazing Balls is made of 216 strong magnetic NdFeB balls. NdFeB is a permanent-magnet technology.
* The balls can be composed of countless shapes, some of them you may not know how to call it.
Because you will be the one who created it.
* Through the Amazing Balls, you can simply increase your intuitive of geometry and mathematics.
* You can use Amazing Balls as an educational tool combine the textbook to learning.
Then you can get a better understanding of the geometry theoretical and practical knowledge.
* Size & color: 3mm diameter,with vacuum package
