Bob Becker, a pioneer in the field of Cartesian Divers, demonstrates and discusses a plethora of fascinating diver designs. After seeing this DVD, your students will want to dive into this subject! Includes DVD-ROM content for use in your classroom such as project guides and templates. Also available: Cartesian Diversions DVD WITH the Cartesian Diversions Class Kit. Comes with enough materials to make 60 divers. Your students will love creatively decorating their divers while learning all about what makes them tick!