The Best Selling Toy of All Time, the Release Date of and Time Needed to Solve the First Rubik’s Cube, and the Number of Rubik’s Cubes Sold Worldwide

The Rubik's Cube is the best selling toy of all time. The Rubik's Cube was invented in 1974 by Erno Rubik and took him a month to solve after creating the first prototype. To date, the Rubik's Cube has sold more than 350,000,000 (350 million) worldwide...

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