"In the past, if you did not memorize the mathematical formula, it was common to have a cheat sheet palmed in your hand, attached to the marker, or secretly written on the notepad. Sometimes those would get lost or misplaced, or smudged, making it difficult to read. “The Executive Grid” eliminates those issues, and at the same time making the entire effect easier to manage." -David Oliver, Genii Magazine
"If you are a mystery style performer, this is a great prop to have."
-David Penn, Wizard Product ReviewsFull Review