1、Smart Playing: Just shake the sand hammer and you can freely play a beautiful melody ideal for improvisation and performance. 2、Rattle Shaker: The simple playing can attract children s attention as well as developing their sense of rhythm very practical. 3、Ideal Present: An excellent present for both beginners and professional suitable for party karaoke studio festival and so on. 4、Good Material: Made from premium plastic and aluminium alloy materials not easy to deform and very durable for long term using. 5、Easy Carrying: Comes with a compact size and a light weight the storage and carrying are very convenient for indoor and outdoor.