To provide a small, compact, and economic coin input device with superior user-friendliness, a simple composition, and superior durability capable of surely complying with two types of predetermined coins, capable of operating smoothly and stably, suiting mass production, optimum for various types of services, and capable of providing a service rich in amusement.

The coin input device is provided with a case, a rotary shaft 6, a coin housing turntable 9, and a rocking member 10. A first housing part 35, a second housing part 36, and a protrusion 38 for preventing rotation are formed on the coin housing turntable 9. A first stepped part 40 and a second stepped part 41 are provided on the rocking member 10. It is composed such that a predetermined small diameter coin fits in the first housing part 35 from one coin input opening 20, the rocking member 10 is rocked a predetermined amount while slidably contacting the first stepped part 40, and the protrusion 38 for preventing rotation does not abut on the rocking member 10. And it is composed such that a predetermined large diameter coin fits in the second housing part 36, the rocking member 10 is rocked a predetermined amount while slidably contacting the second stepped part 41, and the protrusion 38 for preventing rotation does not abut on the rocking member 10.