PURPOSE: To enable the generation of an imitation sound automatically by arranging a control section on one of vehicles so that a railway model performs a power running, an idle running or a deceleration running receiving the wireless signal and a sound generation section on another vehicle to generate the imitation sound according to a signal of the control section receiving the wireless signal.

CONSTITUTION: A wireless signal receiving section 62 is mounted in a railway model and a control section is built in to control power running, idle running and deceleration running encoding a signal received with the receiving section 62. Then, the operation of the railway model is started according to the control with the control section, and data of sounds of an IC202 for synthesization of sound stored in an R0M203 to be outputted from an terminal S. The IC202 outputs signals of corresponding imitation sounds such as drive sounds and braking sounds at the terminal S according to signals to be applied from an IC201 to be outputted to a speaker 205 through an amplifier 204. This enables the generation of the imitation sounds automatically to match the operation of the rail-way model.