Cool Flexagon Art : Hidden in the Folds Polygon Basics : Sides, Vertices, and Angles In the Fold : Types of Flexagons Folding Tips : Make it Easier! Project 1: Make a Hexa-Tetra Flexagon Project 2: Make a Hexa-Hexa Flexagon 3-D Geometry : From Shapes to Solids Project 3: Make a 3-D Flexagon Project 4: Transformer Star Math Terms Glossary Web Sites
