NeoCube - Amazing Balls

- 100% Brand New and High Quality. - Standard of our product is 5mm in diameter - 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 combining the textboo