9 Calculators; pre-recorded videos in the field of reading, mathematics, and the sciences; children's educational scientific kits comprised of magnifying lenses, forceps, thermometers, magnets, compasses, gears, pulleys, axles, funnels, flashlights, batteries, art supplies, chemical solutions, and instructional manuals in the fields of science and chemistry; downloadable educational software for teaching mathematics, science, reading, and language arts; microscopes; children's educational math kits comprised of manipulatives, buttons, paper savers, counters, cubes, balances, tangrams, base ten blocks, clocks, rulers, classroom money, dice, rekenreks, pattern blocks, and instructional manuals; educational apparatus, namely, three dimensional sculptures used as teaching aids for modeling anatomy, beakers, measuring bowls, measuring cups, digital timer, electronic balances, flasks, glass magnifier, graduated cylinders, life cycle models, magnets, manual balance; Petri dishes, laboratory pipettes, safety glasses, safety goggles, rubber stoppers for laboratory equipment, test tube rack, thermometers not for medical purposes, test tubes, droppers for measuring other than for medical or household purposes