Maxello Magic

Mentalist's Most Guarded Secret! Predict the amount of change in a friend's pocket at anytime! Predict a number that anyone is thinking at anytime! The Swami Writer allows you to secretly write down information right under your spectator's noses.

You apparently write a prediction on a piece of paper. The spectator names a number, a letter, or a name Immediately hand the spectator your prediction and it matches.