Kids can make their own volcano and then watch it erupt. The kit includes a volcano mold, fast drying plaster, paint, a stirring stick and a paintbrush. Simply add baking soda and vinegar and watch the volcano erupt with bubbling lava. Adult supervision is required.
— Mary Porter Green, owner of Curiosity Zone in Ashburn, Va., told TDmonthly in a May 2013 survey that this toy is their best-selling activity kit.