In my Baidu space, there are Chinese textbooks suitable for children to learn, with thousands of detailed introductions, as well as 300 Tang poems, such as San Zi Jing, Qian Zi Wen, Xiao Jing, Di Zi Gui, Hundred Family Names, Zhu Zi's Family Instructions, Yijing, Huangdi Neijing, The Book of Songs and The Analects of Confucius, which are taught to children in the form of pdf e-books and children's mp3. Go and have a look if you like.