Instrument Kazoo Pack - Includes Trumpet & Trombone Kazoo Trombone Kazoo This metal Trombone kazoo is the perfect addition to your kazoo collection. The slide actually works on this kazoo with a full two inches of travel, although it does not affect the sound. The cap is locked in for child safety. Comes packaged in a white cardboard gift box. Trumpet Kazoo This metal Trumpet kazoo is the perfect addition to your kazoo collection. The valves work on this kazoo, although though they do not affect the sound. The cap is locked in for child safety. Comes packaged in a white cardboard gift box. Perfect Accessory Package for Kazoo enthusiast