123 Changing Arithmetic Book: Kindergarten Middle Class. Subtraction. 4-5 years old

Author: Xingxing
Publisher:
Publish Date: 2006-04-01
Features: This is a set of arithmetic activity books carefully developed based on the cognitive characteristics of children at different age groups. It creates different questions and content through flip-page puzzles, and can be repeatedly erased and written, allowing children to learn more, calculate more, and engage more hands-on, gradually mastering numbers and addition and subtraction operations. The series consists of six books, and comes with an eco-friendly erasable pen.