knickknack knickknack /ˈnɪkˌnæk/

noun

1. Miscellaneous curios  ( knickknack , knickknackery , nicknack , bric-a-brac , whatnot )
   miscellaneous curios
   
2. A small inexpensive mass-produced article  ( knickknack , novelty )
   a small inexpensive mass-produced article