Teaching apparatus products, namely, science teaching and activity kits in the field of elementary and middle school science comprised of thermometers, laboratory supplies, namely, chemicals, test tubes and droppers, cups, bowls, straws, and measuring, weighing and counting devices, namely, scales, graduated rulers, balances, light bulbs, batteries, and supplies for non-medical purposes, namely, weather measuring instruments in the nature of thermometers, and also including instructions for a...