Ask the participant to choose a number between 1 and 63.
Tell the participant to write this number down on a piece of paper.
In the video, the secret number chosen is 21.

Without looking at the participant:
- Ask the participant to flip over the secret number.
- Instruct the participant to find this number on the cards.
- The participant turns over the cards that have the secret number.

The big moment :
Look at the letters ...find the secret number.

The secret : A=1,  B=2,  C=4,  D=8,  E= 16,  F=32 ( Simply add the letters)
                       Click here to obtain the Secret Number pdf.

Watch the video.