gapeseed

/ˈɡeɪpˌsid/
noun
  1. An object of staring or gaping; something that attracts attention or causes people to stare.
    • The street artist's performance was gapeseed for the passing crowd.
    • The unusual car became a gapeseed wherever it parked.
    • The colorful parade was a perfect gapeseed for the children.