A ‘welcome back to South Dakota’ surprise from Papa, who obviously had a lot of fun putting the volcanoes together. He used salt dough to form mountains around plastic bottles and spray painted everything black once it was dry. Orange sugar sprinkles added a volcano glow effect. Papa used the classic vinegar and baking soda mixture to create lava, adding red food coloring. If you have sparklers on hand, I suppose you could add them like Papa did. The children were kept within a safe distance of the fireworks and explosions!