Soda Play (www.sodaplay.com)
© 2004 Soda Creative, Ltd.
Created by a design firm called Soda Creative, SodaPlay lets you create moving stick-and-ball designs, by playing with variables that control how each part interacts. The result is moving design -- an interesting merger between art and math. It is very cool, but limited in what you can do unless you are into programming.
Internet Site
Teaches: math, programming, geometry, variables