E.S.P. Jumbo Testing Cards (Gimmicks and Online Instructions) by Vernet Magic

ESP 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.