Olympic Vision Effect: Each of your 2 spectators gets half a deck of card...
In and Out Deck
A deck of cards is fanned for a choice. But the magician says oh, wait I really must take the cards out of the box first, and waves his hand over the deck which seems to melt into the box. The lid is opened and the cards are again removed.
First you need to prepare the box by painting the 2 long sides & bottom white to match the deck. Do not paint the top. Place the deck inside the box and close the lid. Take about 7 cards and put them on the face of the box. Not the back of the box which looks like the back of a card. But the face of the box. You are know ready to perform. Bring the box/cards out and spread them as if someone is to take one. Close the spread and cut the top 6 cards to the bottom of the box. Next palm off the top card showing the box. open the box and empty hte cards out. The cards under the box blend in with the ones on the inside.