Scholastic Giant Volcano includes quick drying volcano compound, volcano tray, baking soda, safety goggles, eruption reaction bottle, 2' of tubing, 3 real volcanic rocks, small measuring cup and easy to understand instructions Make and erupt the volcano in 20 minutes Erupts internally like a real volcano Build and control the volcano using the eruption reaction bottle **Warning** This set contains baking sode (sodium bicarbonate) that may be harmful if misused. Read cautions on individual containers carefully. Not to be used by chldren except under adult supervision