The Sea Drum has hundreds of tiny metal balls enclosed between two clear mylar heads. By holding the drum horizontally and gently rolling it, you create the sounds of the ocean surf. Material: Siam Oak (Hevea brasiliensis Muell.-Arg.), Two clear synthetic heads. Feature Soothing sounds. Size: 14"Made in: ThailandMaterial: Rubber WoodOriginal Colour by Producer: NaturalColour: NaturalUsage: Drums And Percussions For Kids