28 TOY ASSEMBLY KITS, NAMELY, ELECTRONIC MOTORS, HYDRAULIC PUMPS, FLASHLIGHTS, RADIOS, CAMERAS, AND ACCESSORIES THEREFOR, WEIGHT AND ELECTRIC INSTRUMENT DEVICES, NAMELY BALANCE SCALES AND VOLTAGE AND AMP METERS; CHEMISTRY SETS, ELECTRIC LAB SETS, FINGER PRINTING AND DETECTIVE KITS, MODEL PLANETS, AND VOLCANOES, SOLAR HEATERS AND FURNACES, SOLAR POWER KITS, HISTORICAL TIME CHARTS; PROJECTORS FOR DISPLAYING PLANETS AND STELLAR CONSTELLATIONS ON A BLANK SURFACE, PLANETARY DISPLAY KITS, KITS FOR STAGE MAGIC TO ILLUSTRATE PRINCIPALS OF SCIENCE