1Ocean drum is a very interesting musical instrument, soothing the soft sound of ocean waves. 2Shake the metal beads to create the sound of the ocean and bring the scene of the ocean to people. 3Good gifts for family and friends can help stimulate their interest in sound and music. 4Perfect for music therapy and performance, musicians and sound therapists will find multiple ways to use calming ocean effects. 5Players can add or clear steel balls to control the volume, timbre and response of the drum. Item Type: Ocean Drum Material: Solid Wood, Iron Sand Color: Red Size: Approx. 20.5 x 20.5 x 4cm / 8.1 x 8.1 x 1.6in 1 x Ocean DrumThe ocean drum is not used to strike, but to listen to it with your ears. As the name suggests, the ocean drum makes the sound of waves. When using it, put the drum face flat and put it by your ear. The small beads inside will roll from the high end to the low end. During the rolling process, they will make a rustling sound, which is very similar to the sound of the sea and waves. Many children are very interested in this and give them a different sound experience, ocean drum is also an important teaching tool for early music education.