Feature: Crisp sound: These finger thumb pianos are made of natural dry wood, feature hard texture and beautiful wood grain. Gently pressing the finger thumb piano, you can hear the clear, beautiful and crisp tone it creates. How to adjust the mini Kalimba: Twisting with a screwdriver, extending the tines (from their position on the bridge) will lower their pitch, and shorten them to make them higher pitch. Adorable pendant decoration: These finger thumb pianos can be hung on your backpack, school bag, shoulder bag, key ring, car, etc.. Beautiful and exquisite pendants are suitable birthdays and Christmas gift for children and friends. Easy to learn: Each button of these mini kalimba finger thumb pianos are printed with corresponding musical notes, which make it easy for you to quickly master the skill of playing, especially suitable for children, adults, beginners. Specifications: Material: red wood and carbon steel teeth Color: as the picture shown  Size: as the picture shown  Package: bag Package Contents:  2 x Mini kalimba finger thumb piano 2 x Cleaning cloths 4 x Finger protector 1 x Chain 1 x Lanyard Warm Notice: Due to manual measurement, please allow slight differences on size.