Crazy "Slip N Slide"-esque contraption made from clothesline and electric motor

https://www.youtube.com/watch?v=1uVePQX5CEI

Daniel Jacob and friends "built a spinning water slide ride for Australia Day down at the river in Canberra."

Below, a 1980s TV commercial for the original Slip N Slide. Which one looks more fun?

https://www.youtube.com/watch?v=z_6G9ko201c