Alice: "For the next generation of computer scientists"

Alice is FREE educational software that teaches students computer programming in a 3D environment. Using Alice it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing. It uses 3D graphics and a drag-and-drop interface to facilitate a more engaging, less frustrating first programming experience.

http://www.alice.org/