Locking Card Box

The Card Change Box is a classic utility prop. As the name suggests it is a box for switching a playing card, and can be equally effective to change a business card, slip of paper, envelope, currency,etc...
This model is a simple wooden box, apparently designed to hold a deck of cards making it a natural prop.

You could remove a pack of cards from the box for your performance then use the box for one of your effects. The audience will not suspect it is a magical prop. It has a magnetic locking feature so it can be handled by the audience after the change of a card, or paper slip etc. It is supplied complete with ideas for use.