Quick Change Cards The magician displays two pieces of board with holes in the middle, one colored red and the other yellow, and a piece of ribbon. A spectator selects either of the two boards (no force), which is threaded on the ribbon. We will presume the red board is threaded on the ribbon. The ends of the ribbon are held securely by a spectator. The yellow board is in the performers hand. Both the boards are covered by a handkerchief for a few moments. (Handkerchief not s...