Invention Grant
US07829776B2 Water music device 有权
水音乐设备

Water music device
Abstract:
A water music device is provided. In one embodiment, the device permits a child to play a song wherein the different tones of the song are generated by tubes filled to different levels using any liquid, such as water. In another embodiment, the water music device may be one or more water drum devices.
Public/Granted literature
Information query
Patent Agency Ranking
0/0