(AP) – Some facts about the Rubik’s Cube, according to creator Erno Rubik and the Liberty Science Museum, which is preparing a 40th anniversary exhibit to open in 2014:
_ More than 500 million have been sold _ not including counterfeits.
_ 1 of every 7 humans has played with a Rubik’s Cube.
_ The speed record for solving it is 5.66 seconds by Feliks Zemdegs of Melbourne, Australia.
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