To prevent a fraudulent act that instantaneously makes credits full by inserting an illegal tool through a token slot inlet.

A peripheral wall of a token passage extended vertically downward to an entrance of a token selector from a slit 39 of a token slot inlet 12 is integrally formed with the token slot inlet, and the token passage having a passage width slightly wider than the diameter of a token passing the token passage, is a crank-shaped passage offset in a horizontal direction along a length direction to the slit 39, thereby making the insertion of illegal tools difficult.