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I am, of course, talking about Rubik's Cube -that pesky 3-D mechanical puzzle that delighted and frustrated in equal measure.
The Nob Yoshigahara Puzzle Design Competition seeks to recognize innovative new designs of mechanical puzzles. Anyone may submit his or her own mechanical puzzle design for the seventh annual competition, as long as the person is independent of the International Puzzle Collectors' Party affiliation.
The cube has been hailed as the most popular mechanical puzzle of the 20th century.
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