The Book of Bon Bons

Flexagons.  For the past few years I have been taking delight in playing with these geometric puzzles.  You start with a flat piece of paper.  Add a little fold, a little glue, and voila! — three or four pictures where you thought there were only 2.  Well, actually, it’s a little deeper than that.  First… Continue reading The Book of Bon Bons