1. Drum head diameter: 6 inches (about 15cm)2. Cultivate the ability to play musical instruments: cultivate interest, interactive toys, grasping, sensory, and visual skills3. With 4 bells, the sound is loud4. Metal curling bells, feel free to use, don't hurt your handscolour: as shownMaterial: wood + metalPackage Contents:1 x TambourineOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.