Fun things to do with paper, originally organized for ORD Camp 2013 by Dale Reed.
See the dragon in action, watching your every move. Download the template to print out and make your own.
Paper folding where a figure has multiple faces besides the original two.
Want to make one of your own? See the Wikipedia Flexagon page, which includes links to:
Robin-Moseley's flexagon.net site, which has templates including the Trihexaflexagon
Double your signal strength at your wireless router antenna using the WindSurfer found at, a cheap paper-and-tin-foil parabolic antenna. The site (http://www.freeantennas.com) has other designs as well.