Hexaflexagons

Hexaflexagon folding instructions from WikiHow:

https://www.wikihow.com/Fold-a-Hexaflexagon

More hexaflexagon entertainment from the great Vi Hart:

https://www.youtube.com/playlist?list=PLaNzoFtkQ7rbt5ac9qdi76iNKuqZWQkB3

Happy flexing!