http://shop.lomography.com/shop/main.php?cat=&pro=ppc (this is the UK shop, they seem to have them all over the place)
It's made of paper, there are 43 pieces to it, and you have to make it up yourself. It takes a standard 35mm film and is a pinhole camera. They have them made from tin cans - 11 pieces and various ones in between. Unfortunately poliphilo reckons we have enough of these cheap cameras now.