Pedal-powered prototype crosses a tiny house with a tricycle and a boat
Project Torpedalo: Pedal-Powered Boat Comes to Life with Autodesk Software
Project Torpedalo – pedal-powered boat on course for Atlantic crossing
One-of-a-kind pedal-powered "super sea kayak" can be yours for $84,000
Amazon.com : Water Bikes, Inflatable Kayak Bikeboat for Lake, Water Sports Touring Kayaks Sea Pedal Bicycle Boat for Sport Fun Fishing : Sports & Outdoors