To provide a starting device that can be attached to and removed from a certain position on a running-course board, allows enjoying a very interesting game, allows a running toy to be supported or started simply at the press of an operating push rod, is easy to handle, and can be surely operated easily even by infants.

A starting device base A that can be freely attached to and removed from a running-course board is formed, and a starting mounting plate 5 is mounted in a mounting plate storage hole provided in the bottom plate part 1 of the starting device base A, in such way that the mounting plate 5 is free to rock; a pair of operating push rods 10, 11 are mounted on the side wall part 2 of the starting device base A in such a way that they are free to slide vertically, so that the starting mounting plate 5 rocks and projects upward from the surface of the bottom plate part 1 at the press of the pair of operating push rods 10, 11; when the bottom of the chassis of a running toy is mounted on the starting mounting plate 5, the driving wheels of the running toy leave the surface of the bottom plate part 1.