Klamath High Schools 16th annual cardboard boat races 6-05-2017

Lakewood High physics students try to keep their cardboard boats

Cardboard regatta: High school students race in cardboard boats

Cardboard boat races '23 - winners

Cardboard boat races make their return, Klamath

Cardboard Boat Regatta

The Great Cardboard Boat Regatta 2017 - Crawford County Now

Klamath Cardboard Boat Races

Complete list of winners in the fourth annual cardboard boat race

Birmingham students use math to build cardboard boats for extra credit

Middle School Cardboard Boat Race

Klamath Cardboard Boat Races

Cardboard Boat Basic Race Info