Specifications: Color: gold, silver, black, green, red, blue, and purple (assorted colors) Material: aluminum alloy Weight: 11g Length: 12CM Features: 1. Kazoo is a special mini music instrument, and it is through the humming sound of human voice, based on its own diaphragm and resonance tube sound amplification. 2.The sound of kazoos may like hoarse tone, somewhat similar to the saxophone. 3.If the player can sing songs, he or she can play Kazoos. 4.It is also a good companion for ukulele, guitar, banjo, piano and so on. 5.The portable size is convenient to put into pocket or bag. How to play kazoos? 1.Hum it, not blow. 2.Hum the tones what you like, and the vibrations of the vocal cords would make the membrane vibrate and sound. 3.Change the tone by rotating the lid on the flute diaphragm. 4.Practice more, and you will master the skills. Package includes: 7 x Kazoos music instruments (gold, silver, black, green, red, blue, and purple) 10 x Membranes