Purikura!

You are bound to find purikura machines in most malls or department stores in Japan. The name derives from the English "print club", which seems a very proper phrase for something so silly and fun! Upon entering, you strike several poses for the camera (aided by computer suggestions or not), and then go to a different screen to play around with what you've got. Eyes are automatically enlarged, chins become more pointy, complexion instantly dewy - they're quite addictive, even if the results are sometimes a little scary...