There are: rainbow cat Lan Tu, Baobei Luo loves science, tinker bell of natural science, little red face and little blue face, old man with knowledge, and 3,000 questions about science in Fu Xiao primary school.
Abroad: I am not a fool, Mihm, an imaginary soldier, and Peter Pan in science.
Wait, there are many videos online, but it's better to go to the bookstore to buy CDs or something.