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Use "cardboard box" in a sentence
"Mother followed behind pulling Sweetpea's Western Flyer wagon loaded with a large cardboard box of whatnots and dishes wrapped in newspaper."
"Get a cardboard box with a lid that you can wrap, paint, or decorate as a Royal Trunk."
"He drove his battered 1985 blue pickup truck up along Scotchman Peak Road, his metal berry pickers and two gallon-size pails rattling in a cardboard box next to him."