Answer: lavalamp

AnswerCrossword Clue
LAVALAMPRetro light source
LAVALAMPDecorative light
LAVALAMPPsychedelic desk item
LAVALAMPWax-filled illumination
LAVALAMPPopular light decoration
LAVALAMPTrippy source of illumination
LAVALAMPPsychedelic light source
LAVALAMPIcon of the Sixties
LAVALAMP'60s fad
LAVALAMPIt contains oil and water
LAVALAMPBlobby light source
LAVALAMPGroovy light source
LAVALAMPLight that oozes
LAVALAMPBlobby light popular in the 1960s-'70s