They’re also called Cootie Catchers in the US. There’s a book out by the Koosh people called The Cootie Catcher book. I bought one. They have directions on making your own, and ones that are printed that you just pull out and fold up. I have to say the home made ones are still more fun than the printed ones from the book…

There was a funny episode of “Arthur” (the kid’s show) about a Cootie Catcher…