By Stavros Zapantes

THE RUBIK’S CUBE WAS INVENTED IN 1974 BY ERNO RUBIK, A HUNGARIAN SCULPTOR. IT IS BASICALLY A 3-D COMBINATION PUZZLE. IT WAS ORIGINALLY CALLED «MAGIC CUBE». IT WAS RELEASED IN THE UK IN 1978 AND INTERNATIONALLY IN 1980. IT BECAME POPULAR QUICKLY AND BY 2009, 350 MILLION CUBES HAD BEEN SOLD INTERNATIONALLY, MAKING IT THE MOST POPULAR PUZZLE GAME AND ONE OF THE MOST POPULAR GAMES IN THE WORLD. THE RIBIK’S CUBE HAS SIX FACES. EACH FACE IS COVERED BY NINE STICKERS AND EACH FACE ALSO HAS A DIFFERENT COLOUR. THE COLOURS OF THE RUBIK’S CUBE ARE: RED, BLUE, GREEN, WHITE, ORANGE, YELLOW.