Educational science teaching and activity kits sold as a unit for use by elementary and middle schools consisting primarily of magnets, printed instruction cards, drafting templates, printed puzzles, printed flash cards, printed charts and study guides, all in the field of elementary and middle school science, anatomical models, printed posters, craft paper, manipulative blocks, and also including thermometers, laboratory supplies, namely, chemicals, [glass beakers,] test tubes and droppers, test tube racks, cork stoppers, rubber stoppers, flasks, [alcohol burners,] funnels, stirring rods, tubing, litmus papers, filter papers, safety goggles and paint brushes, seeds in the nature of plant seeds, live aquatic plants, live aquatic animals, [aquariums,] terrariums for animals, insects, or plants, live fish, snails, algae, daphnia, insects, insect habitats, measuring, weighing and counting devices, namely, measuring spoons, compasses, scales, graduated rulers, calculators, balances, clocks and test weights, protractors, templates in the nature of drawing templates, toy construction blocks, puzzles, flash cards, prisms, binoculars, magnifying glasses, [microscopes, video scopes,] magnifying scopes, and magnifying glasses, solar cells, light bulbs, batteries, electric motors for toys, wire, bolts, rocks and minerals, rockets, astronomy models and supplies, namely, toy wire, toy spheres, paper tubes, office glues, paper fasteners, and anatomy models and supplies, namely, chemicals for use in teaching reactions in the body, elastic tape, [pumps in the nature of aquarium pumps,] weather measuring instruments in the nature of thermometers and barometers, models in the nature of solar system models for educational purposes, posters, printed charts and teaching activity guides in the field of elementary and middle school science