This tiny cog wheel railroad is water powered. Two cars
operated opposite each other. The car at the top of the Nero Berg has it's hopper is filled with water. The bottom car's hopper is empty. T... (more)
This tiny cog wheel railroad is water powered. Two cars
operated opposite each other. The car at the top of the Nero Berg has it's hopper is filled with water. The bottom car's hopper is empty. T... (more)