Conceptual clarity: make real working model of hydroelectricity turbine. Generate electricity from flowing water to glow set of leds. Can be successfully demonstrated by either using bathroom tap water at home. Or by rotating turbine fans by hand if water flow is not available Complete set: contains all required material and an easy to understand theory and instructions manual. You can make a working model using this do it yourself ( DIY ) kit Joyful and meaningful educational gift : suitable for kids in class 5 to class 10. Educational activity gift for hobby and school science projects Our focus is on providing real educational content (material + theory / instruction manual) than on extravagant outer packaging of the kit