Then he shuts the doors gently and in a magic gesture he opens the doors, at this moment the amazed audiences will stare at the box, there is a cage in it! A vacant cage.
Once more he closes the doors of the box, and opens them again, people will amazingly look at a dove which appeared in the cage!
The box has two mechanisms, the first one is appearing the cage and the second one is appearing dove. This product can be easily separated for convenient transportation.