NIUNIU Safe Materials: Made of aluminium alloy, light-weight, safe and durable. Comes with 6 replacement filters .The surface of the instrument is polished and has no sharp edges. These kazoos have been safety tested and are approved for children age three and up. Easy to Use: One of the easiest instrument to play, no need to learn music theory while playing, no need to recite music score, even no need to practice. Just a minute you play the tone of your dreams with Best Choice: Colorful kazoo can be played with piano, guitar, saxophone, for festivals, parties and other occasions. It can also be given as a gift to children. Wide Application: It can play individually and also great to accompany guitar, a good partner for guitar, ukulele, violin, piano keyboard and many other instruments. How to Use: 1.Put the wider side of the kazoo in the mouth. 2.Sing a melody in your voice, just hum it loudly. 3.Dont need to blow, you cant make a sound when you blow. 4.The vibration of vocal cords drives the vibration of the sound film on the kazoo to make a sound. The playing of kazoo is related to the level of voice. Quantity: 6pcs Random Color Size: 120x25x20mm