Add chromatic pitches to your existing diatonic Boomwhackers® set for a full chromatic octave, or play a unique pentatonic scale with only these five tubes! This 5-Note Chromatics Set includes C#, D#, F#, G#, and A# within the standard octave of Boomwhackers®. Tubes range in length from 13" to 23". Combine this set with the 8-Note C Major Diatonic Set to form fully-chromatic octave of 13 notes. The 5-Note Chromatics Set also creates its own unique pentatonic scale that sounds pleasant by itself. Found in most elementary music classrooms and music therapy programs around the world, these affordable, color-coded, tuned percussion tubes provide an opportunity for any age and ability to experience success making music. With no limit to the creative learning process, students can feel the joy of learning and experiencing rhythm, pitch, and movement while having fun!