Imagine you could generate your own electricity! Can't you just do it? You bet! Become the head of your own energy laboratory and tinker with renewable energies for the future! With the "Windmill Generator - Green Science" for children from 3 years you can build your own generator. The great thing about it is that the energy you generate with it is 100 percent climate-friendly. Learn, experience and show your friends how to use wind energy when you light the red LED with your own green electricity. Innovative learning for the future that is also fun.