This beautiful effect is simple to do but makes a big hit with every audience! Audience sees a red wooden ball that is wrapped in a red silk - both are placed into a glass. Performer then wraps a green silk around a green ball, which is placed into the second glass. Performer removes the red silk and a GREEN ball is discovered in the glass. When the green silk is removed, a RED ball is found in the glass. All may be offered for examination. Two 12" silks, balls and easy to understand instructions.