Flexagons paper models that can be bent in different ways to change theirshape are easy to make and work in surprising ways. This book containsnumerous diagrams... » 

Flexagons paper models that can be bent in different ways to change theirshape are easy to make and work in surprising ways. This book containsnumerous diagrams that the reader can photocopy and use to construct a varietyof fascinating flexagons. The author also explains the mathematics behind theseamazing creations. Although knowledge of the technical details requires amathematical background the models can be made and used by anyone. Flexagonsappeals to all readers interested in puzzles and recreational mathematics. «