You start with four blank cards and show them from both sides to be blank. Suddenly backs appear, faces appear, and you finish with yet another change of the back designs.
You will need three jacks or three cards with identical faces but different backs. You will also need three blank cards, two of which have the same back, and one a different back. You will also need a piece of hard wax which Peter uses to prepare one card.
1st edition 2024, video 2:34.