| 摘要 |
PROBLEM TO BE SOLVED: To simplify a game device, to reduce the cost and to make a game easy to be played. SOLUTION: By a card reading/writing machine 22 provided deep in a card inserting/discharging port 20, reading/writing for a prepaid card for lending balls and a membership card capable of storing balls, recording of the number of pachinko balls returned from a lower tray 15 to a lower tank 18 and counted by a counter 17 on an unread/unwritten winning ball card stored in a card storing part of a card issuing machine 21 and reading of the recording is made to be able to be performed.
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