14 competed in the first Water Carnival cardboard boat races

Cardboard Boat Race - Family & Children's Service of Ithaca

At Cape Coral Cardboard Boat Regatta, sinking is part of the fun

Riverhead Cardboard Boat Races set sail Aug. 13 - RiverheadLOCAL

Design for a Cardboard Boat Race

Cardboard Boat Regatta

Training, experience pay off in Great Cardboard Boat Regatta

Cardboard Boat Races at the Grand Haven Coast Guard Festival

Cardboard Boat Race - Family & Children's Service of Ithaca

Waterfront Festival - Watkins Glen Promotions

Record number of cardboard boats entered to race at the Friends of Atascadero Lake LakeFest • Atascadero News

Winfield comes out for cardboard boat races