Feature:1. Comfortable Design: Thumb piano features a large arc hand guard and edges that have been polished to fit the palm, ensuring a comfortable hand feel. Hand polished and curved edges make it lightweight, durable and well balanced in sound.2. Excellent Sound Quality: The single board thumb piano has a stable internal structure and outstanding sound quality. Preferred raw wood delivers superior sound quality that authentically reproduces the timbre of the wood, combining good looks with real strength.3. Advanced Engraving: The use of advanced excellent engraving results in smoothly and rounded engraving surfaces, with clear and attractive patterns.4. Easy to Learn: The names of the notes are engraved on the 21 keys of the kalimba thumb piano for easy mastery. Hand rest curve design is ergonomically correct. An ideal recommendation for those who want to persistently learn thumb piano and professional music lovers.5. Ideal Gift: Kalimba thumb piano is very simple and beginners can start playing immediately, making kalimba a cool gift to music lovers. Suitable for beginners, adults, children and professionals. Kalimba thumb piano 21 key is a great instrumental gift to holidays or birthdays.Specification:Item Type: Thumb PianoMaterial: Peach WoodProduct size: Approx. 18.3 x 13.7cm / 7.2 x 5.4in(manual measurement, there will be 0-2cm error)Keyboard: 21 keys.Package List:1 x Thumb Piano1 x Carrying Bag1 x Tuning Hammer1 x Note Stickers1 x Polishing Cloth2 x Thumb Protectors1 x Sheet MusicNote:1. Why is tuning necessary? After being transported by express delivery, the pitch may deviate due to various reasons. A simple tuning adjustment is needed to calibrate it for use.2. Random color of piano cloth and thumb cover.