The Boomwhackers Chroma-Notes colored desk bell set is designed for music education with children as well as for group playing at camps, classrooms, and social events. The bells are color-coded to match Boomwhackers tubes, making them an ideal complement to a Boomwhackers set and helping users easily follow Boomwhackers songbooks and learning materials. This basic diatonic bell set is tuned to the C major scale, providing a simple and intuitive way to introduce musical concepts such as melody, pitch, and harmony.