Model Rocket, Glass Bending, Plastic Glass Phone, Giant Model Train, Tie Knot in Rope, Gelatin and Balloon, Dot Matrix Printer, Marble on Plate. MODEL ROCKET - Jason, who has launched many rockets with his father, shows Mr. Wizard the various parts of the rocket and how to launch one safely. GLASS BENDING - Mr.Wizard and Tanis discuss the unusual properties of glass.