 Thames and Kosmos Genetics and DNA Biology Kit provides an in-depth investigation of genetics, the branch of biology focused on heredity and variation in organisms, and DNA, the acid that holds the blueprints for life. |  With Thames & Kosmos Physics Discovery, you can build 12 models and then conduct experiments with the models to learn about forces and simple machines. Each model demonstrates a fundamental idea in mechanical physics. |  Blast off on a mission to explore outer space and the objects in it. Learn about rocket propulsion with balloons and chemically powered rockets. |