Alternative propulsion of an electric boat by generating electricity from heat using a thermal generator: A normal household tea light is the fuel for this boat. Fill in the coolant, light the tea light and after a short while the boat chugs leisurely away. The kit is easy to assemble with simple tools.
An assembly drawing and instructions for assembly in German and English are included. Dimensions: length ~200mm, height ~150mm The running time with the included tea light is 3-4 hours.