# Experience an Interactive Magic Trick: "the Clock"

• 01 of 03

### The Clock Trick

Here’s an interactive magic trick that works across the web and you can have fun showing your friends. All you have to do is refer to them to this page and let them follow the instructions. And you may wish to try it out first.

Here goes:

Select any number on the clock. You have a completely free choice. Remember your number.

Continue to 2 of 3 below.
• 02 of 03

### Select a Second Number

Follow the straight line from your number, through the center of the clock and to the number on the other side. Take the two numbers that are connected by the line and subtract the smaller number from the larger one. You now have a new number. Please remember it.

Think of your number. Even though you’re at home, this web page will try to read your mind.

Continue to 3 of 3 below.
• 03 of 03

### This Is Our Best Guess

After considerable thought, our best guess is that you are now thinking of the number “six.”

For another fun interactive web magic trick, check out "The Prediction."

### Thoughts

Alright, the secret to this effect isn't rocket science. It's simply a trick that's based on a mathematical property of a clock. You could call it a force but I think that it's simpler than that. This could be classified as a mentalism style trick that can be presented as a mind-reading routine or a prediction.

Here's how it works. When you take a look at all of the numbers on a clock, if you look at the numbers that are directly across from a number on the opposite side, you'll find out that the lower number is always six less than the higher number.

Go ahead, check it out. Ten minus four is six. 11 minus five is six, and so on. It works with every number.

### Presenting the Effect

We chose to present this effect as an interactive, online experience, but you can easily adapt it to a live performance. We teach you two ways to present this, either as a mind-reading effect or a prediction. In a mind-reading effect, you're asking the spectator to think of something that you can't possibly know, and you're somehow able to "read their mind." In a prediction, you open, write down, predict, a future occurrence.