85233559
Feb 3, 2011
Feb 21, 2012
Educational kits and parts thereof comprised of batteries, miniature light bulbs, light emitting diodes (LEDs), magnets, electric and propeller motors, electro magnets, mirrors, optical lenses, telescopes, microscopes, globes, thermometers, voltmeters, ammeters, scales, balance scales, barometers, wind meters, ph meters, human skeleton models, and DNA models
Electrical and Scientific Apparatus