rummage sale
From Longman Dictionary of Contemporary Englishrummage saleˈrummage sale noun [countable] American EnglishSELL an event at which old clothes, toys etc are sold as a way of getting money, for example to help a school or church SYN jumble sale British EnglishExamples from the Corpusrummage sale• Every time a box came in for the rummage sale, I was downstairs with my flashlight.