Fun:Time wasting websites

A (short (very short)) list of things to do when you're bored to make you bored.
 * Build your own solar system.
 * Play with/blow up sand.
 * More exploding sand, with proper explosions.
 * Knock bubbles off and around. Be careful, they spin.
 * Shuffle the deck and get across the room. What could be easier?
 * Move letters around, along with a bunch of other people.
 * juvenile but "gotta beat that score"
 * Move a ball around
 * Dig deep, get money
 * World of Warcraft