21 Keys Kalimba:It's an upgraded product of 17 keys kalimba,and its keys is more than the 17 keys kalimba.You can play more songs with 21 keys kalimba,even more than double as 17 keys kalimba. | Electric Kalimba: Our kalimba are handmade by high-quality Mahogany with built-in pickup and interface for connecting amplifier.It's perfect for stage performance,outdoor playing and party. | Easy to play:Keys are engraved musical note and the English instructions can help you easier to play although you don't have any music basis.The order of the keys of the kalimba 21 key is the same as that of the kalimba 17 key.Kalimba Music instruments is good gift for beginner,professionals, music lovers,musicians,bands,child and adults. | Free gifts set:Our product are packed well by two boxes including a colorful packing gift box,including Kalimba finger piano, English instructions also called kalimba songbook,cloth bag also call kalimba case, tuning hammer, label stickers,kalimba thumb picks,cleaning cloth. | After-sales Service:We have adjusted every kalimba before shipment. Due to the long transportation distance, there will inevitably be a slight bump on the way. You can adjust the kalimba with the tuning hammer we sent.And we also provide 30 days unconditional return guarantee.If you have any questions or demanding advice with the kalimba, please feel free to contact us anytime.