Keep Your Kids Busy Learing: Based on key concept of Montessori education, our busy book is specially designed for toddlers, not only a game toy, but also a early learing aids. Bright colors and cute animal shapes are easy to attract children's attention, allow your children to learn while playing and give you some quiet time. Preschool Activity Books: Synchronous cultivation of multi-dimensional sense organs, cultivation of hearing, touch, and vision, allowing children to learn happily in games. High Quality: Made of high quality material, strong and durable, water resistant, not easy to bend, tear and deformation.The answer card is designed with rounded corners,prevent your kids' hand injury caused by card.