For the fans of Coinapalooza and "A Lesson in Coinjuring," here's the thing you've probably been missing: that simple, invisible "coin." Obviously, if you're into coin magic, a clear, plastic disc is something you either have always wanted or always had. The effects are limited only by your knowledge or imagination.

Kainoa now has the "Discs o' Mystery" in half dollar and dollar size. You provide the coins, the "turtle" (if you need it, which these fit nicely) and, you know, that pesky sleight of hand.