1. Each bell corresponds to 8 tones in C major: C D E F G A B C.
2. Stimulates multiple regions of the brain enhances cognitive ability of the brain and promotes brain development.
3. Only 8 notes suitable for beginners or children.
4. Play with others and make music with different sounds and tones.
5. Can be used as a gift for friends.
6. Material: metal + plastic.
7. Size: 14.7x14.7x5.8cm.