Solar Bottle Boats Kit
March 17th, 2008 . by admin
Build three vessels out of your recycled plastic beverage bottles then power them with the sun using the included 1/2 watt, waterproof solar panel. — You can build a solar speed boat, an air boat, and a surface submarine. No batteries required. Includes solar panel, solar motor with wires, water propeller, air boat propeller, mounting tape, 5″ metal shafts, wire nuts, complete instructions for three designs.