How lava lamps are made at the 55-year-old factory where they were invented

Lava lamps might be the most cult item of lighting in the world. Since their invention in 1963, millions of the lamps have been sold across the globe. And while their popularity has gone through ups and downs, their instantly recognizable style isn’t going anywhere. But what actually goes into creating these iconic lamps? This simple yet hypnotic lamp came from pretty humble origins. Inventor Edward Craven Walker came up with the idea after spotting a handmade egg timer that used heated wax in a cocktail shaker.