cool little comparison i set up a while back, 1996 US lava lite on the left and 2021 UK mathmos on the right. currently torn over which one i prefer : r/Lavalamps
Blob Lamps Modern Rainbow Lava Lamp
Color Max Graffiti Lava Brand Motion Lamp | PartyGlowz.com
Yellow Lava lamp, lavalamp, on display on wall in Poole Museum for Light Up Poole, Poole, Dorset UK in February Stock Photo - Alamy