Dr. Toy Winner! 4 science kits provide hours of fun and learning. (33) Forces: This kit teaches the different kinds of forces and the effects these forces have on various objects by performing experiments involving gravity, momentum, centrifugal force and Newtonï¾’s 3 laws of motion. (34) Surface Tension: this kit teaches about the important property of water called surface tension by making a foil boat, and by adding water to a penny with and without soap. (35) Polymers: teaches the properties and importance of polymers by shrinking packing peanuts, extracting polymers out of diapers and by making molecular models, gel, an slime. (36) Famous Scientists: Through various experiments Young Scientists will explore Cartesian Divers, Archimedeï¾’s Principle, Galileoï¾’s Pendulum, and Bernoulliï¾’s Principle.