These ocean drums can create a relaxing and peaceful atmosphere to calm your mind. Made of , very sturdy and durable to be used for long time. Easy to use, just tilt it slightly, and the steel ball inside will make the . Great for kids, stimulating children's interest in sound and music, can also be a good present choice to your kids. Features -Color:Multi -Material:wood, plastic, iron beads -Size:20.00X3.00X20.00cm/7.86X1.18X7.86in -Size:25.30X3.00X25.30cm/9.94X1.18X9.94in -Easy to use: Simply shake the metal beads filled inside the ocean drums to create the sound effect of the ocean. -Good relaxing effect: These ocean drums can create a relaxing and peaceful atmosphere to calm your mind. -Long lifespan: Made of and good workmanship, you can use the wave ocean drums for long time. -Full of educational meaning: Great for kids, stimulating children's interest in sound and music, attract them much. -Good present choice: This ocean drums are great family, friends, and music lovers on any special days like birthday, Christmas, New Year, etc. Package list: 1 x ocean drum(large size) 1 x ocean drum(small size)