1. Material: ABS + electronic components 2. Applicable age: more than 3 years old 3. Battery: 3 x AAA batteries (not included in shipment) 4. Smooth surface without burrs, to avoid injury to small hands 5. Human current sensor, contact to play the notes 6. Speaker sound quality soft and clear, coupled with the eye lights fun and not monotonous 7. Strong anti-aging, play-resistant and drop-resistant, give children a long time to accompany 8. Size: 14.5 x 9 x 11cm
