Found in most elementary music classrooms and music therapy programs around the world, these color-coded, tuned percussion tubes provide an opportunity for any age and ability to experience success making music. Popular around the world for all ages and abilities! With no limit to the creative learning process, students can feel the joy of learning and experiencing rhythm, pitch and movement while having fun! This set includes 13 Tubes, 4 Caps, 1 Book, and 1 Carrying bag.