Manufactured to the highest standards, the top quality construction and accurate intonation make these bells the best value available. The Chroma-Notes colors make it more fun to learn and play along with Boomwhackers! Each metal bell is marked with the proper note and number to help children learn the musical scale. Five inches tall, the long handles enable players to grasp the bells securely. This set includes the C#, D#, F#, G#, A#. Can be used by itself as a pentatonic set or with the CNHB-D to create a chromatic set.