Recreates a real volcano using red "lava" beads Simulating a volcanic eruption.Can be used as a mood light Looks good in the dark with its red LED. The beads inside starts moving up and down inside the glass jar .It is mesmerizing to watch. This is a very groovy vortex lava motion lamp - retro party decoration. Great for a STEM Science School Project or even just to decorate you bedroom or desk.. & Fasinating result see in the dark,.