Fab and purchase a set of Bucky Balls for only 7 dollars. With the 10 dollar credit you will get for signing up with this amazing and inspirational site the already low 17 to 27 dollar pricetag is slashed! Don´t miss out. These magnetic balls allow you to use the sphere packing method to create amazing shapes. Watch the many videos on Youtube to see what you can do. Bucky Balls usually cost over 40 dollars a set! Even if you are too late for the 10 dollar credit and Bucky Ball sale, join Fab so that you don´t miss future opportunities on inspirational design. This is not a toy for small children due to the very small size of the sphere shaped magnets which are a choking hazard.