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What is the best lava lamp? It seems that no matter how much culture changes, there’s always a demand for the retro, which is why the playful visuals of a lava lamp never seem to go out of style.

The British-made lamps have surged in popularity as younger audiences seek to recapture magic of the 1960s Depending on your age, you may remember them from Doctor Who and The Prisoner in the 1960s, ...