The purple liquid 'metal' within this classic '60s lamp oozes and morphs without any rhyme or reason or even a care in the world, man.... Features clear fluid with metallic purple lava with matching aluminum base. Includes 25 watt bulb. AC powered. Lava lamps have fascinated and mesmerized onlookers for decades. Combining the warm glow of colorful light and the graceful, slow-moving interaction of lava and gravity, lava lamps cast a relaxing aura about any room.