A remote control toy system includes a plurality of sets each including a transmitter and a movable machine controlled on the basis of a control signal transmitted from the transmitter. An attack signal is transmitted from the movable machine on the basis of an attack order contained in the control signal and transmitted from the transmitter in response to an attack operation of a user. Damages due to an attack are processed and executed on a movable machine that has received the attack signal. Each of the movable machines includes a device for storing own offensive power information, a device for generating the attack signal that contains the offensive power information, a device for transmitting the attack signal, and a device for executing processing to make a degree of damage different, according to the offensive power discriminated from the received attack signal.