UBOX by Edouard Boulanger - Trick Audience Participation You hold the invisibility card

You hold the invisibility card between thumb and forefinger and your spectator sees perfectly through the card thanks to the huge keyhole

This is exactly what you are going to find in this book

card effects transformed

Now it's better than ever

It's difficult to believe that a creator and performer like Topas would ever explain it all

UBOX by Edouard Boulanger - Trick Audience Participation You hold the invisibility cardU Box the best card case created by Edouard Boulanger and Jeremie Josi. During one of our meetings Jrmie presented me with a card case offering many possibilities. For my part, I had developed for several years a case with multiple functions. Two completely different but complementary principles. We decided to merge our cases to offer you the best box on the market. The U Box is a real Swiss knife. With more than 7 functions, it offers you endless