In 1974, a Hungarian architect, Ernő Rubik invented his best selling puzzle. Over the next forty years, more than 350 million Rubik's Cubes were sold all over the world. Show more
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In 1974, a Hungarian architect, Ernő Rubik invented his best selling puzzle. Over the next forty years, more than 350 million Rubik's Cubes were sold all over the world. Show more
The BBC's international radio station
