A to G Music Kazoo (set of 20) The Kazoobie Kazoo is the best plastic kazoo you can buy. They use the highest grade materials and every part of the process is "Made In The USA." Kazoobie's resonator material is very durable and the caps are pressed in using 100 lbs. of pressure. Kazoobie kazoos have been safety tested and are approved for children age three and up. Colors will vary for Kazoos 20 kazoos in each order.