Digital Flap (APP) by Open Zone Card Deck including at the hands of

including at the hands of spectators

If you want it solely for that reason

Each set consists of four 1 inch baseballs

You can perform this almost propless miracle with any deck of cards

Digital Flap (APP) by Open Zone Card Deck including at the hands ofYour browser does not support the video tag. Perform ultra visual instant changes with your own Bicycle cards. No gimmicks. No complex techniques. Just pure magic. What it is: Digital Flap is a groundbreaking AR based utility that allows you to perform instant, ultra visual card transformations using your own standard Bicycle Rider Back cards. No gimmicks, no setup, no suspicious moves. Experience pure visual magic instant, clean, and effortless.