It’s almost a rite of passage–building a home volcano with vinegar, baking soda and uncontainable anticipation! Kids cover the domed base with plaster gauze, then use 4 acrylic paints to decorate it. A tube, tunnel and squeeze bottle let kids control the size and timing of eruptions. There’s even fake gravel and red lava coloring. Full instructions included– now let’s get started! From The ORB Factory, for ages 6-10 yrs.