1149645
9781899618286
Flexagons are made by folding paper in certain ways and when they are flexed, turned and unfolded in different ways thet show puzzling and curious effects. Some of this extensive collection are in the form of puzzles to be solved, others have rather mysterious properties.Mitchell, David is the author of 'Magic of Flexagons Paper Manipulative Paper Puzzles to Cut Out and Make' with ISBN 9781899618286 and ISBN 1899618287.
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