www.hippielight.com: The History of the "lava lamp" | The Hippiest Light of the "lava lamp". Informative Website Regarding Vintage 1960s & 1970s "lava Lamps", Grape Lamps and Johnson Industries Rain Lamps
Lava lamp. Spans at least a couple generations. I had one as a teen in the 90's. Certain things made them cool. Weed. 👍🏻 : r/nostalgia
Spencer's 90's Retro Pattern Lava Lamp - 14.5 Inch | Retro Design Base | Purple Liquid | Pink Wax | Clear Globe | Home Décor - Amazon.com