Build Your Own Polyhedra

You need to build it to believe it! Sharpen spatial skills by constructing a myriad of configurations from regular polygons flexagons regular and pop-up polyhedra to dipyramids Jennifers puzzle dodecahedra and collapsoids. This book includes illustrated instructions to create various 3-D shapes; it also delves into Eulers formula and how to braid Platonic solids and rotating rings. Grades 6-12