Table tennis is a skill-based ball game and the national game of China. Table tennis originated in England and got its name because it makes a ping-pong sound when hitting the ball. It is spherical and weighs 2. 53-2。 70g, white or orange, celluloid or plastic. Players from both sides are holding rackets and fighting each other across a table with a net. You can play singles or doubles. The two sides hit each other until one side can't return the ball and the other side can score.