玩意儿
wányìr · HSK 7
thing
🧸 玩 play + 意 notion + 儿 colloquial -r suffix = a thing you play with
玩 means to play and 意 is notion or idea; together with the spoken 儿 (-r) ending they form a casual word for a gadget, plaything, or just some thing. The 儿 suffix flags it as everyday Beijing-style speech.