Nothing could be simpler, or easier to perform. A small paddle is introduced and shows a Picture of a colorful Parrot. Both sides are shown to be the same. In an instant the Parrot changes to an empty bird cage shown on both sides. But before you know it, the picture has changed again. It's Parrot is now seen to be INSIDE the bird cage.
Everyone that is familiar with Mr. Porper's creations knows that when they buy something made by him, they are buying something of quality.