The state of the art form for entertainment: GAMES!
Ok, ok, so the games may not be original or even legitimately on my site, but who cares? These are some of a my personal favourites :D
3 foot ninja! I remember this game from when I was little. Like, 4 years old or something.... though I never could beat it...
Part 2 of our epic adventure! 3 foot ninja II.
Educational and fun! Use physics to make a tower to reach the goals.
More education! Use your limited money to make bridged across gaps. It's also physics based ;)