[noun] [C] [esp. disapproving] - something temporary whose purpose is to attract attention or interest and which is not serious or of any real valueFree gifts given away with purchases are just another sales gimmick.Among the gimmicks in last night's live act were holograms and a revolving stage.
GIMMICK
Meaning of GIMMICK in English
Cambridge English vocab. Кембриджский английский словарь. 2012