E.S.P. Jumbo Testing Cards (Gimmicks and Online Instructions) by Vernet Magic Animation here are a few that

here are a few that may work for you

Routines Matter is the perfect-storm combination of a top production team given an outstanding product to produce

you'd be wrong -- everyone looks at the same card at the same time

Mike Merchant

The result is simply amazing

E.S.P. Jumbo Testing Cards (Gimmicks and Online Instructions) by Vernet Magic Animation here are a few thatESP Jumbo Cards is a powerful marked deck. This is a high quality, especially printed deck, it's built to last! With this new size you'll be able to amaze crowds from 20 to 1000 people! Whether you're a magician or a mentalist, this is a must for you! Includes video download with four amazing routines! Easy marking system but completely invisible for layman. 25 jumbo (4. 5 x 7 inches) ESP cards. Ideal for parlour and stage shows.