Here is an interesting video about Hexaflexagons. What’s a Hexaflexagon, you might ask? I wondered the same thing. Well it turns out that a flexagon is a flat model which folded in certain ways to display different faces than the two originally seen. The hexaflexagon, in particular, is a bit of a mind bender. Watch this video and learn all about the wonderful world of hexaflexagons.
Check it out here.
Pictures courtesy of Wikimedia Commons.