Smarter Every Day 2 | re: Hexaflexagons @SmarterEveryDay2 | Uploaded 12 years ago | Updated 5 minutes ago
See Vihart's Hexaflexagon video here: http://www.youtube.com/watch?v=VIVIegSt81k
See Vihart's Hexaflexagon video here: http://www.youtube.com/watch?v=VIVIegSt81k