Description Erupt a model of the largest volcano in our solar system, Olympus Mons on Mars It is three times taller than Mt. Everest Using a special plaster mixture and iron oxide powder, your mega-volcano hardens after each eruption and slowly grows like a real volcano Erupt a model of the largest volcano in our solar system, Olympus Mons on Mars. It is three times taller than Mt. Everest. Using a special plaster mixture and iron oxide powder, your mega-volcano hardens after each eruption and slowly grows like a real volcano.
