What is written in the blind box lottery?

Both will do. Because it is a blind box, the things and articles in it are uncertain. You can write anything with your own mood. Blind box refers to the toy box that consumers can't know the specific product style in advance, which is random. This kind of Chaozhou opera, born in Japan, was originally called mini-doll, and was also called blind box after it became popular in Europe and America.