To allow the remote operation of a ball shooting device without any need of reforming the conventional game machine and incorporating a system necessary for the remote operation into a game machine to be newly fabricated.

A ball shooting handle 12 fitted to a game machine 10 has a detachable mounting part 40, an operation part and a transmission part. In addition, the mounting part 40 has a turning means 41 for turning a rotatable part 12a formed on the ball shooting handle 12 to adjust ball shooting, and the operation part is mounted on a chair laid as a counter part of the game machine 10. Also, the operation part has an operation means for operating the turning means 41. The transmission part has transmission means 62, 63 and W to move the turning means 41 for the interlocked operation of the ball shooting handle 12 with the operation means.