Experience one of the most exciting rides of your life as you try out Harness Zorbing. After being strapped into a giant inflatable zorb ball, you & a friend will be rolled down a steep hill experiencing speeds of up to 30mph! Harness Zorbing is certainly not a ride for the faint-hearted but rest assured that the harness will keep you safe as you race to the bottom of the hill. Location: Hertfordshire (South East)