This invention provides an electronic switch for model cars to prevent incapability of the remote operation of the model cars. Keeping the manual switch 10 for a given period at ON state, a receiver 4 and a battery 5 are connected, and after a provisional OFF state of a manual switch 10, it is reset in ON state for a given period, to disconnect an electrical connection between the receiver 4 and the battery 5. For this sake, even if the manual switch 10 is abruptly changed over to OFF state upon abut to an obstacle during a run of the model car, the electrical connection between the receiver 4 and the battery 5 is not disconnected, as far as a given period continuation of the OFF state of the manual switch. With a use of the switching circuit 13, ON/OFF change over is provided without using a mechanical contact, which provides no anxiety of the disconnect of contact caused by the vibration.