Check out the space-age Glowing Rainbow Color Changing Mini Lava Lamps! A fun battery operated miniature Lava Lamp, the color changing light simulates movement within the lamp. Simply press the button on these fun mini Lava Lamps to watch them light up with bright internal LED lights that slowly change colors. These Mini LED Lava Lamps make fantastic tabletop light up centrepieces for glow parties and groovy events. You can also use these battery operated lava lamps as a kids comfort night light to keep next to their beds. Rainbow Color Changing Lava Lamps come with three AAA batteries. Please note that the lava lamps are water filled with molded plastic pieces that simulate the lava lamp effect. Light up your next far-out happening with cool glowing LED lava lamps!