Ball of Whacks

Update: I turned this into a full page:  Top 8 Interesting Things to Know about the Rhombic Triacontahedron

Ball of Whacks is a geometry toy. (Available online and in toy stores that sell cool stuff.)whacks

It is a rhombic triacontahedron.  Each of the 30 rhombic faces are golden, in that the ratio of the diagonals is the Golden Ratio.

Good stuff at

It is the dual of the Icosidodecahedron (which is Archimedean), which is the Hoberman Sphere.

I have a light in my office (which was a gift from my kids) which is the rhombic triacontahedron.