Amish Boy
The boy asked this father, "What is this father?".
The father (never having seen an elevator) responded, "Son, I have never seen anything like this in my life. I don't know what it is."
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 and into a small room.
The walls closed and the boy and his father watched small circles of light with numbers above the wall light up. They continued to watch the circles light up in the reverse direction. The walls opened up again and a beautiful 24 year old woman stepped out.
The father said to his son, "Go get your mother!"