Crazy Bones is a modern version of Tabas. They are colorful, collectible characters that you use to play games. The traditional form of the game is to merely throw the crazy bones on the ground. Points are scored depending on how the bone lands. There are many variations on this however, such as hockey, soccer, and basketball themed games. Crazy Bones Hand-Eye Coordination Games.
Crazy Bones was inspired by a children's game played in Ancient Greece and Rome called 'Astragal' ( Knucklebones ), where children played a similar game using sheep's knucklebones. (wikipedia)