PURPOSE: To provide the game play full of amusement and improve the using performance.

CONSTITUTION: Balls can be directly transferred to at least one Japanese pinball machines by installing a ball introducing arm 30, and, the obstruction for the process of a play is prevented, and balls can be received smoothly. Since the ball introducing arm 30 is urged to an erection position free from the oscillation to the pachinko game machine 10 side, the inadvertent flow-out of balls can be prevented, and the process of play is not obstructed.