Sorry, Monopoly. No offense, Barbie. Apologies, Mr. Potato Head.
Rubik's Cube (Getty Images)The world's best-selling toy isn't a game, a doll or a spud: it's a humble arrangement of 26 cubes, invented by a Hungarian architecture professor back in 1974.
In the 37 years since Erno Rubik first created his famous cube, it's sold over 350 million units, making the man himself a household name and propelling his cuboid conundrum into the history books. Although its three-dimensional nature makes it a tricky prospect for beginners, pros can solve it well under a minute. The world record? A mere 5.66 seconds.
Hard as that may be to believe, mathematicians have proved it's always possible to solve absolutely any cube arrangement, no matter how scrambled, in 20 moves or less. Deciding which 20 is the hard bit -- but we're here to help.Read More »from 5 tips for solving a Rubik’s Cube