Do you like Physics? If you answered yes or no then Phun might be the toy for you. Phun is a 2D Physics sandbox that will entertain and teach. I have been playing with it on and off for the last few months and it always makes me smiles and gets my brain moving.
Check it out in Action:
Phun is available for Windows, Mac and Linux and is free. So drop by Phunland and check it out.