h2g2 The Hitchhiker's Guide to the Galaxy: Earth Edition

It's unhealthy. It makes your fingers scream at you. But it fills your room and eventually your house and some of my mother's plants with little paper figures folded to the point of no return, where you fear they might collapse and form dark matter or a black hole.
Butterflies, cranes, swans and turtles, although the turtle seems to be starving (in a fit when his head wouldn't form right I hammered it into submission and got most of the shell as well) and more.