Color Changing Black Hole Magic Tricks Card

Color Changing Black Hole Black hole has always been an unsolved mystery of the universe. When the black hole merges with a card, is it a hole or a sticker?
Is it blue or red? The magician shows a blue back card. The audience can clearly see that there is a hole in the card. When the magician waves his hand, the card turns into red! The most amazing thing is that the hole disappears and turns into a black sticker. How does this happen? The effect is shocking. Easy to do. No need to set up in advance. You can put it in your wallet or card box to perform at any time. Comes with a gimmick card and instructional video.