Elevator or Make over machine

A man from the village and his boy were visiting a mall in Lagos for the first time. They were amazed by almost everything they saw, but especially by two shiny, silver walls that could move apart and back together again.The boy asked his father, "Papa wetin be dis?" The father [never having seen an elevator] responded "My pikin I neva see dis kind tin before for my life o."While the boy and his father were watching wide-eyed, an old lady in a wheel chair rolled up to the moving walls and pressed a button. The walls opened and the lady rolled between them into a small room.The walls closed and the boy and his father watched small circles of lights with numbers above the walls light up. They continued to watch the circles light up in the reverse direction. The same walls opened up again and to his surprise, a beautiful 24-year-old woman stepped out. The father said to his son, "Akpos, go bring your mama come!