#3. The world goes Gaga
The Rubik’s cube has since then become the world’s best-selling toy ever! Since the time it has gone international, it has sold over 350 million pieces.
#4. Possible solutions
The beauty of the game is that there is only one solution to the puzzle. But what makes it interesting is that there are over 43 quintillion ways to achieve that. But don’t think you can get them all. Even at the rate of figuring out one way per second, it will still take you 1.4 trillion years to figure out all the possible configurations. Now who’s got that much time?