GRAND RAPIDS, Ohio — Near the surging whitewater of the Maumee River, an oversized cardboard teacup bobbed across a shallow creek.
The handmade boat was participating in the fourth annual Cardboard Boat Regatta as part of this year’s Rally by the River Days in Grand Rapids. Visitors from states including Michigan and Iowa flocked to the small village, which is home to less than 1,000 people, to participate in the weekend’s festivities.
Amelia Sonnenberg, 11, held onto the paper flag from her Moana-themed boat as it was loaded into a pick-up truck after Sunday’s race. She and her friend Avery Obermyer, 11, began working on the oblong vessel in the middle of June…