Abstract: A table tennis training device for use in connection with a table tennis table, which includes a tennis ball catcher having a pocket for collecting the tennis table ball which is then, due to a suction effect, moved from the pocket into a gun operable to be adjusted in a vertical plane and to pivot back and forth along a horizontal plane. After the ball has entered the gun it is by air under pressure passed through the barrel of the gun and prior to leaving the muzzle of the gun subjected to a spin (English). The training device according to the invention comprises means for varying the spin and also for varying the speed at which the balls follow each other which are shot out of the gun. The device furthermore comprises means for varying the suction and the pressure at which the balls are fired by the gun.