The spectator is given a casino style dollar chip to hide in one of their hands.

Using his mental powers the performer is able to reveal which hand contains the chip.

Now the spectator is asked to hide a folded banknote in one hand and the casino chip in the other.

Again the performer is able to reveal the correct hand for each item.

The discrete custom made electronic unit supplied instantly gives you the information needed.

Mental Detector can also be used with many existing magnetic effects.