DYNAMO MODEL, WITH SOLAR CELL (0379) A small motor which operates from 1.5 to 4.5V DC with small pulley. The unit is capable of rotating a small propeller mounted on mini motor to explain conversion of solar energy into electrical energy and then into mechanical energy. The complete solar cell and the motor unit mounted in a clear acrylic case for easy viewing by students. Provides quite effective demonstration in day light or in light of a normal 100W bulb. Qty :