Propeller small, SE

For experiments on the subject of motor - generator, also as a sub-area of alternative energies, for demonstrating the conversion of electrical energy into mechanical energy and vice versa;
Propeller or windmill or fan, the shape is ideal for blowing by mouth or narrow-jet blower, attachable to 2 mm motor axles
Material: Plastic
Dimensions: D=47 mm, H=17 mm
Mass: 2g

additionally recommended:
P3610-1M MBC motor/generator, SE