But he did reveal some key ingredients. Katzel: Inside of a lava lamp, you've got wax, which is mostly paraffin wax. That's your lava. Jones: Paraffin wax is a common wax made from petroleum.

Narrator: Lava lamps might ... egg timer that used heated wax in a cocktail shaker. After months of testing his ideas and adapting this concept into a colourful lamp, Walker came up with his ...

Get ready to turn up the glow! This year, National Lava® Lamp Day is extra special as it coincides with the 60th anniversary ...