Try a trick on me
The 21-Card Trick
"I'll deal twenty-one cards. You think of one. I'll find it in three questions."
Don't click your card, and don't tell anyone. Just remember it.
Think of any card
Now, a magic phrase
For learners
It works itself. Here's why.
Every time you pointed to a column, I picked that column up in the middle of the other two. That squeezes your card toward the center of the packet. After three rounds, it can only be in one place: the 11th card. "Show me magic" has exactly eleven letters.
This is a traditional trick, so we're happy to teach it. Learn to perform it for real, with patter and presentation tips.