How old are Bao Xiao and Xiaomi to participate in variety shows?

Bao Xiao was two years old when Bao Xiao and Xiaomi participated in the variety show. According to the relevant public information, the variety show "Father in Charge" was introduced when it was broadcast. My sister Ge Xuan Ji (Xiaomi) is 4.5 years old, and my brother Ge Yuji (Bao Xiao) is 2 years old. My mother is a mother-infant blogger, and my father is a full-time father at home because he comes from a family. This is my father's ceiling.