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.
