PURPOSE: To permit the effective installation in a narrow shop by arranging ball lending machines in parallel on the left side of each playing machine in two rows in parallel, and allowing a ball lending machine on the second from the opposite side edge part in both the rows to be equipped with two paper money feeding ports permitting the feed of paper money from the left and right sides.

CONSTITUTION: Playing machines (a) are arranged in two rows in parallel, and a paper money transport machine 2 driven by a driving part 1 is installed in extension inside. The second ball lending machine B from the edge part on the opposite side in both the rows is equipped with a two-port paper money feeding part 3 having paper money feeding parts 3a and 3b permitting the feed of paper money from the left and right sides, and when a paper money is fed into the left side paper money feeding port 3a, balls can be bought from the left side ball lending machine B, and each ball lending machine B succeeding to the third machine from the edge part on the opposite side in both the rows is equipped with the a one-port paper money feeding part having a single paper money feeding port. Accordingly, the paper money transport machine 2 can be installed so as not to be extended outward from the rear part of the ball lending machine B on both the edge sides of a play island A, and both the edge parts of the play island can be shortened to the length to the ball lending machine B on both the edge sides.