It's only because the Pyramid was built can a lost civilization's mystery be unpeeled layer by layer by modern human

The Mentalist turns back around and knows which coin is in the box

There's no need to fumble for letters

As with any version of this effect

Blow some bubbles onto spectator's hands and watch sponge balls multiply

The Vault - THREESUM | David Jonathan - (Download) Clark It's only because the PyramidIncredible. Impossible. Impromptu. A mind melting miracle with a borrowed shuffled deck! "David has taken a clever if slightly underwhelming effect and turned it into a lean, mean, mind bending machine. So freaking clever. I love this trick, wish I had thought of it!" Cameron Francis "David floored me with this beautiful effect!" John Carey "What David has done with THREESUM is nothing short of incredible! Seriously, no smoke blowing here. How he