Necessity may be the mother of invention, but play is certainly the father.

It was designed to be a portable version of his creativity workshops and it has sold over a million copies. from Stanford University in the self-created interdisciplinary program "History of Ideas" Shortly afterwards he began providing services in creativity consulting working with companies such as Apple IBM Disney Sony and Intel. " These include the award-winning Ball of Whacks which is based on the rhombic triacontahedron the X-Ball the Y-Ball and the Star Ball.