PURPOSE: To display a money reception state and an abnormal state as various states of the ball lending machine more than three LEDs on the LEDs instead of an expensive number display unit as to the coin-only ball lending machine placed between pachinko boards.

CONSTITUTION: An LED 30A ('A' display), an LED 30B ('B' display) and an LED 30C ('C' display) are provided as the three LEDS at an operation display part 3 on the front of the ball lending machine. In this example, while the 'A' display illuminates, the 'B' display when 500 yen is discriminated or the 'C' display when 100 yen is discriminated illuminates in normal operation. If abnormality occurs in that state, the 'A' blinks. When a coin return button 4 is operated, coins are returned and the 'A' display for a no-ball abnormality state, the 'B' display for a counting part abnormality state, or the 'C' display for a discrimination abnormality part state illuminates. When there is no abnormality when the return button 4 is operated, the coins are returned, all the displays are turned OFF, and the operation of the ball lending machine ends.