Description: Multiple changes to play, guide children to play more surprising hidden quizzes in the interaction. The book not only lists introductory sentences, extended questions, but also subject labels, such as count, size, length, thickness, etc. As long as you change the questioning method and sentence pattern, you can always interact. Parents can also use it easily and play more and more in-depth questions and answers with creativity. From 0 years old all the way to preschool age, different ages can have different fun.