Although table tennis has been made popular by the Chinese, it's actually a British invention. It's a fast game with small bats played across a 9-foot table – and the ball moves at an incredible pace. Players need quick reflexes and flexible leg muscles to move quickly over short distances. PRO FACT Tin-Tin Ho, who became the first English girl ever to be chosen for Europe at the World Cadet Challenge in 2012, first competed at the London Youth Games aged just five.