Skateboards

The Skateboard was invented in 1950. Across California surfers got the idea of skating, which meant the surfers surfed the street.
 
No one knows who really invented the first skateboard. Several people 
came up with a similar idea at the same time.

Eventually they turned the boxes into planks of wood and they took the wheels off the rollerskates to use.  After this the surfer think it is fun.