Omnilab Total Science Kit 270 Experiments Physics Chemistry Mechanics Geology

This is a sealed Omnilab Total Science Kit featuring 270 science experiments including Chemical Energy, Chemical Magic, Secret Inks, Crystals, Heat, Light, Sound, Gases, Newton's Law, Jet Propulsion, Magnetism, Electro-chemistry, Electric Circuits, Chromatography, Power Transmission. It covers physics, mechanics, geology, chemistry, electricity. This is made by Tree of Knowledge in Israel in the 1980s but it is sealed. I am not sure of the contents aass I cannot find this anywhere online.