Lewis structure Set, Help students determine the types of bonds in a substance, draw Lewis structures, and construct models of molecules, Chemists find the use of models helpful to construct Lewis structures and study covalent bonding
Human Anatomy Model, The knee bone is connected to the arm bone, Eight awesome activities explore the human body from the inside out, including optical camera, tooth check-in, taste test, handy thermometer, pumping heart, lung simulation, torso model and DNA design
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