Thames Kosmos Wind Power V4.0 STEM Experiment Kit | Build a 3ft Wind Turbine to Generate Electricity | Learn About Renewable Energy Power a Small Model Car | Weatherproof for Outdoor Use Features Build and experiment with a real, working 3-foot tall wind turbine to learn how wind is one of the most promising sources of clean, renewable energy available today. Single-piece blade construction for improved durability and better aerodynamics. Generate electricity to charge a battery and power a small model car. New weatherproof battery box can be left outside! Includes stakes to secure the turbine to the ground. 2021 The Toy Association's Outdoor Toy Of The Year Finalist Details Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out within 1-business day and delivered to your doorstep as quickly as possible. Competitive Pricing With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you're getting a good deal when purchasing with us. 30-day Money Back Guarantee We are committed to making sure that you leave this transaction satisfied. If you're unhappy with the product for any reason, you may return it back for your money-back or a replacement within 30 days. No questions asked!