Tera 9.8-inch P.V.C Polyester Plastic Rhythm Instruments Enlighten Sea Ocean Beads Wave Drum Toys for Kids Children Baby 0 - 8 Years Old Round shape design will attract your children. It's only 9.8-inch and easy to play. Exercise children's music perception. The safe materials can provide a pleasure play experience. Thickness: approx.4.5cm/1.89inch Diameter of drum: approx.25cm/9.8inch.