IJPAM: Volume 79, No. 2 (2012)
Department of Business Information
Faculty of Information Management
Osaka University of Economics
2, Osumi Higashiyodogawa Osaka, 533-8533, JAPAN
Abstract. This article presents 3 puzzles which turn things inside out: the cube puzzle, turning a paper strip inside out, and hexaflexagons. Readers who wish to find the solutions for themselves are advised not to read the full explanations.
Received: April 4, 2012
AMS Subject Classification: 51H02, 00A09, 97A20
Key Words and Phrases: cube puzzle, hexaflexagon, Möbius strip, turning things inside out
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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395