Ok, I'm the teacher... I know how it works...have for years.... and yet..... Totally amazed again each time...
This blog is for Zoe and Xander, my grandchildren, in the hope that they can learn to enjoy the beauty of mathematics too.
If this gets you excited, here is the way to make your own..
Here is the link for the patterns mentioned in the construction, or color your own.
Here is a Wikipedia link for those of you who want to learn a little about history of the relatively new idea of flexigons in general.