Answer: lavalamps

AnswerCrossword Clue
LAVALAMPSLight sources employing a red-dyed benzyl alcohol mixture, e.g.
LAVALAMPSGelatinous light sources
LAVALAMPS'60s flowing lights
LAVALAMPS'60s fad
LAVALAMPS'60s fad lighting
LAVALAMPSRetro light sources
LAVALAMPSGroovy lights for Austin Powers
LAVALAMPSGroovy light sources
LAVALAMPS1960s fad light sources