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Discover how water powers the world with this hands-on science kit. Build a waterwheel, sawmill, and hydroelectric power station while learning about turbines, water pressure, and renewable energy. Conduct 12 experiments exploring surface tension, adhesion, and cohesion. Generate real electricity to light an LED and understand why hydropower is a sustainable energy source. Includes a full-color 32-page manual with illustrated instructions and scientific explanations. Perfect for curious minds ready to explore the physics of moving water. From Thames & Kosmos, for ages 8 and up