This is a quiet book that can enhance children's hand-eye coordination. During the challenge, the children's brains become more sensitive in the integration of information again and again through observation, thinking and manipulation. The card of Busy Book is thickened, and the surface is covered with a film, which is waterproof and not easy to tear. Parents should all have heard of the Montessori education method. The education method mentions that teaching aids are not tools used by teachers to teach, but materials for toddlers' work. Through these tasks, toddlers can practice self-repetitive operations to enhance knowledge and ability. One peel and one paste, can be pasted repeatedly. No need to cut, the baby can easily break apart. Please note that the hook side of the Velcro is attached to the book, and the rough side is attached to the answer. The baby sticks the card to the answer storage area on the left hand side of the book, and then sticks the card on the left to the correct position in the game area on the right. The card position is returned and the game starts. The best choice for Christmas, Birthday, summer holiday and weekend. No matter you are parents, grand parents, great grand parents, aunt, uncle or other family members, you can also take this opportunity to enjoy bonding and interacting with your child through the activities.