Check out the performance video on our website! You introduce 12 QR Cards all with positive signs (+) on them, no matter which card is selected by the volunteer it is shown to have a negative (-). This is a simple but visually effective powerful way to blow people’s minds. Come up with your OWN test – that’s the beauty of this product is a creative springboard for customization. The application of this method will allow you to easily think up your own creative ways to incorporate this effect. Just some of the applications of This can be used in many ways including love tests, IQ test, or even a COVID test! Also includes a “Out of this world” Routine.