Early style of basic, long-exposure simple camera. You need to buy your own film, but it's a great way for kids (or you) to experience the early days of basic cameras...
From the PhotoJoJo website: "Corbis just came out with a line of printable pinhole cameras. There are a bunch of designs by different illustrators, and they’re super-duper fantastico. And free! We just can’t get over it.
Pick up some film, print these babies out, and spread the fun..."
Click on the picture of the camera you like (from several available) and then click on Download This Camera (PDF) link at the top. Print it on paper and make your camera, e.g. with kids