The Case Change!
Effect
An empty red back poker size bike playing card box is shown from front and back. Then it is proceeded to be shown it is empty in a very fair way with no special moves. After the spectator confirms the box is empty after seeing inside the box, you pull out a card out of a empty card box without hiding anything, then show the card box is empty again immediately, through the whole effect you can always show that the box is empty because there truly is nothing I In the box or in your hands on plated on you. Then you change the color of the card box by a wave of your hand from a red box to a blue one then back to red and pull out another card show the card box again to prove that everything is normal and you pull out the final card.
Note: It can be done with as many as 5 or 6 cards but recommend for only 1-3 cards. It uses no gimmicks, loads, any special skills, and etc. It is so simple you will hit yourself in the head why you didn't think of this and with this idea many other tricks are possible. It only uses 1 card box and 3 cards it can be used with any card box and you can do it on the spot with only a couple of seconds of getting ready.