Little red face and little blue face

Classic cartoons: little red face and little blue face
Little red face and little blue face
10-31
"Little Red Face and Little Blue Face" | Popular science education animation, vividly showing the "caries process". "Little Red Face and Little Blue Face" presents an interesting and vivid scientific feast to the audience in an easy and straightforward way. The form of popular science education vividly and interestingly shows the principles of science. Intuitive and interesting ways to popularize scientific knowledge. summary
Little red face and little blue face
10-27