Magic Trick

Riddle: A witch does a magic trick where a man goes into a compartment and then disappears into a puff of smoke/dust. The children check the walls and the floor of the compartment but there is no way out. How did it happen?

Answer: The magic compartment makes time go fast so the man lives in the compartment for all of his whole life and then turns to dust when he dies. Source: https://riddles.com/index.php/10412

A witch does a magic trick where a man goes into a compartment and then disappears into a puff of smoke/dust. The children check the walls and the floor of the compartment but there is no way out. How did it happen? — Magic Trick by marikaorosz Riddle