The Day the Princess Came (Area Comparison) 公主殿下来的那天(面积比较)

 This is a very unique set of books. At once a picture book, a story book and also a math book, each volume enhances children's mathematical thinking through daily life.

《数学绘本(套装全36册)》通过不同事物大小比较、用身体测量、辩论货币、看时间、认识时间概念的独特性等主题加深孩子们对测量概念和测量工具的理解。