HomeScienceEnergy, Light & SoundWindmill Generator Windmill Generator Rate This Item... $13.95Toysmith • In Stock • 91130QuantityHave a question? Chat Live!Add to CartShare Via Facebook Share on Pintrest Share Via Twiter Email to a Friend About8 years & up. Learn about renewable energy with this wind generator. LED light will glow as it is powered by free energy from the wind. No batteries required!