HCHS What Floats Your Cardboard Boat Race - The Shoofly Magazine

Cardboard Boat Regatta returning to Cedar Rapids Freedom Festival lineup

Cardboard boats to set sail Saturday in races at Greers Ferry

HCHS What Floats Your Cardboard Boat Race - The Shoofly Magazine

Food Bank's Float Your Boat race welcomes cardboard boat engineers

Mission Accomplished: Most Boats Float at Cardboard Boat Regatta

Cardboard Boat Races: Meet The Contestants

Whatever floats your boat: Cardboard boat race raises funds for Wings of Hope

Whatever floats your boat: Cardboard boat race raises funds for Wings of Hope

HCHS What Floats Your Cardboard Boat Race - The Shoofly Magazine

Cardboard Boat Race on Curlew Lake

Reasons to attend annual Hope It Floats Cardboard Boat Race