16
science and craft books; posters [ ; and printed manuals and illustrations for science education ]
25
[ shirts, shoes, ties and hats that promote science ]
28
educational science and hobby craft kits comprised primarily of chemicals, rubber gloves, goggles, paper cups, mixing containers, pie tins, beakers, flasks, mixing utensils, pH paper, thermometers, funnels, pipettes, eyedroppers, scales, plastic bags, test tubes, graduated cylinders, test tube holders, test tube brushes, wire, balloons, clay, string, rubber bands, springs, drinking straws, candles, electrical switches, electrical connectors, alligator clips, buzzers, rulers, flexible tubing, corks, stoppers, cotton swabs, balls, ball bearings, marbles, blocks, pipe, pipe fittings, magnets, pulleys, compasses, scissors, protractors, washers, wooden craft sticks, paint brushes, batteries, battery connectors, battery receptacles, lamp sockets, light bulbs, flashlights, microscope slides, optical lenses, magnifying glasses, mirrors, pencils, nails, paper clips, toothpicks, pipe cleaners, petri dishes, agars, cardboard tubes, paper, rocks, sand and printed instructions; and toys that teach science, namely, toy vehicles, toy figures of people, toy action balls, toy guns, popping toys, jigsaw puzzles and rattlebacks, namely, elongated toys that spin in one direction and then another to demonstrate centripetal forces
41
[ arranging and conducting teacher workshops and student workshops in the field of science education ]
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