The Rhythm Tech Studio Pack is a comprehensive hand percussion collection that's ideal for both pro drummers and percussionists as well as vocalists, guitar players, or others who want to play percussion. The 5 instruments include tambourine, cowbell and beater, studio shaker, trigger triangle, and egg shaker. Comes with a handy gig tray that holds all your instruments and attaches to mic, cymbal, or drum stands. Also includes a Player's Guide with instructions and exercises to bring your percussion chops up to speed quickly.