This is the 21 card trick, which was one of our first learned card tricks. Is the procedure of the
three piles, three times entertaining? While keeping the same procedure with the cards face down, it
still plays as a mathematical reveal of our Uncle Bob's 21 card trick.
If you like the 21
card trick premises without the heavy procedure...
https://www.penguinmagic.com/p/15713
or
perhaps a book
https://www.penguinmagic.com/p/12143
If you enjoyed the TOTALLY BLIND 21
CARD TRICK demo video and feel it fits into your performance style, it is a worthwhile purchase.