What is an African mbira made of?

The mbira is a musical instrument from Africa, primarily found in Zimbabwe. It is also known as the sansula, kalimba, or thumb piano. The traditional African mbira is typically made from a wooden board with metal tines attached to it. The tines are plucked with the thumbs to produce sound. The mbira is traditionally made from different types of wood such as mubvamaropa and other hard and resonant wood. The tines are usually made of metal, such as iron, brass, or steel.