Card trickk??

Question

ok yur probably not going to know wht im talking bout but yuu have like twoo peoplee soo one personn walks away and turns away then the other person makes five piles of five cards then a person picks a pile the picks a card the personn dealing then turns the five cards face down and moves it around so there mixed upp thhen the person who was turned around comes back and then that person ends up pickingg thee card tht yuu pickedd!!

please please p-lease if yu have any idea how they do thiss tell mee=D

Answer 1

tricks that have to do with picking piles and shuffling the piles usually has some math behind it. ive seen a few different versions of this on youtube, done by kids. all using some math method, most of which didnt know it is done because of math and patterns.