"The first lava lamp, designed by Edward Craven Walker, the founder of Mathmos and inventor of lava lamps. This classic design is manufactured in the UK; the high-quality metal is hand-spun and then matte black anodized. Mathmos lava lamps meet the latest quality and safety standards. The high-quality lava formula of Mathmos lava lamps is brighter, clearer, and lasts longer than other lava lamps. They also make a great gift for relaxation. The halogen bulb (included and guaranteed for one year) has been specially designed for use with Mathmos lava lamps to direct light and heat into the lava and away from the base. Place your black Astro lava lamps in a room with a temperature between 68 and 75 degrees for a warm-up time of 1 to 2 hours."
