Tickle series 1 * * consists of seven hard-shell flip books, which not only involves the daily training of baby's brushing teeth, bathing and going to the toilet, but also includes educating the baby about the etiquette that should be paid attention to when going out with parents, so that the baby can get a preliminary understanding of social norms.

And the content design of this set of books is very suitable for the critical period of children's growth and the law of children's cognitive development.