Material: This hand knocking piano uses wood as the material, which is wear resistant, and not easy to damage and can be used for a long time. With mallet: This wood hand knocking piano is equipped with a mallet, so that you can played with this mallet directly without buying another one. Portable: The musical instrument is small in size and lightweight, which can be put in your bags when you going out for playing. Gifts: This percussion instrument is suitable to be a special gift to your kids as a preschool educational toy to practice playing the hand knocking piano. Fit people: The music playing knocking piano has a wide range of using people, which can be used for professional musician player but also for the beginner. Color: Show as picture. Material: Wood. Product Size: Approx. 580x192x130mm/22.83x7.55x5.11inch. There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. 1 Piece Hand Knocking Piano(with 2 Pieces Mallets).