The baby has the ability to listen in the mother's womb, and can feel the strength of the sound, the pitch of the sound, and the type of sound.
●The baby is about 2 months old, use the voice book to change the position of height and distance to attract the baby to follow, and initially establish a sense of space.
● From 9 months to 1 year old, guide your baby to learn to "press the button and listen to the sound", understand the causal relationship between things, and improve hand-eye coordination and movement accuracy. This is an important foundation for the baby to learn to write in the future.
●After 1 year old, you can play the game of "Listen to Guess the Object" with your baby.
