On Dada's fifth birthday, he received a special gift, which was a flip book. Dada opened the flip book, and magical and beautiful worlds suddenly appeared one after another. The world in the flip book is really full of wonders. Dada enjoyed the joy and wonder brought by flipping through the book until he turned the last page and met a wizard. The wizard told Dada that the flipping through the book was just for him.
Purpose: Help each other and get along well with each other, whether in reality or in another world.