Abstract: A remote control ball assembly includes a housing, an actuating device having a circuit board disposed in the housing and having a processing device and a signal receiving device attached to the circuit board, two motors each include a wheel attached to a spindle and contacted with the housing, and a radio transmitter includes another processing device and an angle detector and a signal emitting device attached to another circuit board for detecting a status of the radio transmitter and for emitting the status signal to the signal receiving device, which then actuates the motors and the wheels to operate or to move the housing on land and on water without being operated by the fingers of the user.