To enable a cleaning rolling sock model to perform various types of cleaning according to purposes by providing it with a dust collecting chamber and a head installing hole opened on the under surface of a car body in the car body of a rolling stock model traveling on a rail, and attachably and detachably attaching a cleaning head on a motor shaft facing the head attaching hole.

The railroad model is formed by connecting a traction rolling stock model and the cleaning rolling stock model. The cleaning rolling stock model mounts a head driving motor 8a, and the inside of the car body 20 is formed as a dust collecting chamber 21, and the peripheral dust/dirt is sucked and removed at vehicle traveling time by rotation of a dust collecting fan 24. A head installing hole 23 is formed in the car body 20, and a rail is polished by rotation by the motor 8a of a polishing head arranged in this head installing hole 23. A tank 26 for storing a cleaning liquid is arranged in the car body 20, and the rail is wiped out by a wiping-out means 29 to which the cleaning liquid is supplied.