Woodstock Plastic Kazoo The best-priced Kazoo on the market! Makes the perfect, last-minute, grab-and-go gift. The Kazoo has been a favorite for centuries for its ease of use and unique sound. It"s one musical instrument every child should experience, and it"s perfect for children"s marching bands. One of the few acoustic instruments to be developed in the United States, the kazoo is so simple to play, all you need is the ability to hum!