It surprises me that one of the most commented upon and downloaded classes from my blog is a card flipping effect. With that in mind, I thought it might be an interesting exercise to recreate this effect targeting Flash Player 10. As of the writing of this article, Flash Player 10 Beta (Astro) and the corresponding API documentation have been released. This article will step you through the classes used to achieve a card flipping effect using the new rotationY property that exists in Flash Player 10.