The thumb piano is well polished， and anyone who picks up one of these instruments can make a great sound right away， a great instrument for music lovers.Features:Pushes down on a key with a thumb or finger， and when the key is released， the vibration resonates in the wooden body， making nice sound.Anyone who picks up one of these instruments can make a great sound right away.Smooth surface， nice polish， very beautiful and delicate.Small in size， easy to carry and store.Spcifications:Material: Birch & SteelItem Size: 17 * 12.8 * 2.9cm / 6.7 * 5.0 * 1.1inItem Weight: 213g / 7.5ozPackage Size: 18.7 * 13.5 * 5.5cm / 7.4 * 5.3 * 2.2inPackage Weight: 271g / 9.6ozPackage List:1 * Thumb Piano