The Rubik’s Cube has only six faces, each presenting only nine cubelets, but the end result is to offer a mind-boggling number of permutations, only one of which embodies the desired solution. The ...
Some toys never go out of fashion. Celebrating its 50th anniversary this year, Rubik’s continues to be the most popular puzzle cube brand in the world, with around 500 million sold, according to Yahoo ...
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