I bet you didn't know you needed convex polyhedrons in your life.
In three-dimensional space, a Platonic solid is a regular, convex polyhedron. It is constructed by congruent, regular, polygonal faces with the same number of faces meeting at each vertex. Five solids meet these criteria: Geometers have studied the Platonic solids for thousands of years.
Keep these around your desk to help counter the negative EMF rays emitted by your computer or cell phone.
- each one is under 1 inch high
- less than an ounce each