Katsuya Masuda - Boxing Match 2.0
https://youtu.be/X0A0kt8959k
One of the audience picks a card from a deck.
Put the chosen card in a card case with its face down, and strike the case on the table.
In a second, the color of the card's back and the case changes.
The color of other cards also changes.
Features:
Boxing Match has been updated!
Adding a story, the whole performance has become more visually appealing phenomenon.
Instruction is provided through a video.