Introduction to magic:
Liu qian predicts classic card magic
"The David baggrass effect"
Impossible to complete the prophecy of the classic card magic magic one of the recommended props
The magic is as follows:
The magician asks the A audience to draw A card from the deck (let's say it's A 7 of diamonds).
Then ask B to think of a random number (let's say 45).
The magician dealt 45 CARDS, and the 45th card turned out to be A's cube 7