Happy October, Month of the Hexaflexagon! Part 1: http://youtu.be/VIVIegSt81k Hexaflexagon Safety Guide: http://youtu.be/AmN0YyaTD60 Oct. 21st is the annual Celebration of Mind, in honor of Martin Gardner. Maybe you'd like to host or attend a flexagon party sometime around then, or learn about other awesome Martin Gardnery things. Here's the hexaflexagon party website: http://www.puzzles.com/hexaflexagon/ For inspiration, here's pictures and stories from epic events in past years: http://www.