Synonyms for knickknack

ornament, curio, gewgaw, gimcrack, objet d'art (French), conversation piece, bric-a-brac, curiosity, bibelot, bauble, trinket, gadget, trifle, toy, plaything, frill, furbelow, showpiece, eye-catcher, decoration, embellishment, trapping, collectible, kickshaw, gingerbread, whimsy, tchotchke*; see also decoration 2, device 1, thing 1.