14 competed in the first Water Carnival cardboard boat races, Local

Boat Races of Bengal: A River Carnival – SANDRP

Cardboard boat hi-res stock photography and images - Alamy

Riverhead's crowd-pleasing cardboard boat races return to the Peconic - RiverheadLOCAL

Annual Monmouth cardboard boat race becomes a family affair

Boat Cardboard Race Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

Cardboard Boat Race on Curlew Lake

Freedom Festival Cardboard Boat Regatta — Cedar Rapids Freedom Festival

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

Kearney Regatta

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