The National Geographic Earth Science Activity Kit by Blue Marble is a hands-on STEM kit that engages young scientists with multiple earth science experiments including an erupting volcano, crystal growth, a geologic dig with pyrite and gem specimens, a water vortex tube, and a full-color learning guide. The kit includes rock and mineral specimens, crystal growing materials, an excavation brick and tools, eruption powder, safety goggles, and a storage case for specimens. Perfect for home learning, classroom projects, and curious kids who love geology and chemistry.