I don't know how many people here know about this, but there is a story on writing.com that I just discovered.
It's about this girl who is walking home from school and she finds this strange ray gun. And she puts it in her backpack and takes it home. And when she gets home, she takes it out and discovers that it can either increse or decrease one's height. It can also increase or decrease one's height.
I'm kind of a computer illiterate, but I'm going to try to put the link up: