Scientific experiment and study kits for home, school or laboratory use comprised of microscopes, microscope slides, barometers, thermometers not for medical purposes, printed charts, specimens in the nature of biological tissue in the form of animal tissue and blood, biological tissue in the nature of organs derived from living organisms, dissection tools in the nature of scalpels, safety razors and calipers, anatomical models, balances, scales, petri dishes, laboratory glassware, laboratory plastic ware in the nature of flasks and pipettes, operating microscope stands, metal and non-metal clamps, brushes for pipes, dynamo brushes, Bunsen burners for laboratory use, stoppers for laboratory bottles, metal tubing, flexible tubes made of plastic, rubber tubes, graduated and ungraduated rulers, distance measuring apparatus in the nature of meter sticks, wire nets, asbestos nets, non-metal and non-asbestos netting, magnifiers in the nature of magnifying lenses and glasses, lenses for telescopes and microscopes, prisms, electric wires, electric switches, electric meters, frequency meters, acoustic meters, timers, metal springs, tuning forks, rock and mineral sets comprised of minerals and rocks for scientific and educational purposes, test papers in the nature of litmus paper, stains for use in conducting scientific experiments, chemicals for use in science, safety goggles, aprons, gloves and written instructional manuals for use in conducting scientific experiments in the fields of chemistry, biology, physics, geology, meteorology, and ecology; laboratory equipment, namely, scales; downloadable electronic publications in the nature of scientific dissection guides; microscopes