Heartland Mulberry Round back Thumb Piano, African Kalimba, Mbira with Rosewood Top

The Kalimba is a native African instrument. The piano is made of Mulberry wood with rosewood top and comes in assorted tuning.
On the back, it has two holes that vibrate and the fingers change the sound by moving them to and from the holes.
All the keys can be tuned by adjusting the metal piece inward or outward. The Heartland thumb piano has a very bright melodious sound and is a great instrument for teachers and students alike