| 摘要 |
A stepping stones system is provided to transmit music or musical scale according to a sign sensed through a sensor and to turn off the light and to illuminate. A stepping stones system comprises a groove opened heading up, a stepstone(110) of the heavy body in which pedestal is protruded to the lower part of the external cylindrical surface, a hole opened to top and bottom which is formed inside the stepstone, a case(120) having the penetration hole in which the bellows pipe is connected, a plurality of guide tubes in which sensor is inserted and set up be protruded, space part opened upward in which is coupled to the groove, an operating bar for operating the sensor detection part installed within the guide tube, a step board(130) made of the transparent plastic material in which the lighting-emitting area in which the luminescence lamp is on and off, a sound source transmitting part transmitting designated music and musical scale. |
