Spirit Slates by Royal Magic

Two pocket size slates, made of colorful plastic are shown on all sides, to prove they are blank. The slates are then rubber banded. A card is freely selected by a participant. When opened, one of the slates has written on it THE NAME OF THE SELECTED CARD. A

real miracle but that's only one of the many tricks you can do with this set of Spirit Slates. Instructions are included for many more startling effects... all easy to do!