I do a lot of paper airplanes with my kids. We keep the ones we have made previously, and then on days we are in the mood for paper airplane fun, we go out on our front steps and fly them down to the ground. It always provides at least an hour of entertainment. (Then I get tired of running up and down the stairs.)
I have 3 paper airplane books. We have a round one we do, but it doesn't look like the picture. It is just round like a cylinder.
Our newest paper airplane book has things resembling the space shuttle, and sputnik, and all the other manned and unmanned spacecraft. We are eager to get started on it. I'll try to post some pix when I get them.