- Scientific Experiment Model: The hydroelectric generator can attract children's interest in science, exercise their hands-on ability and thinking skills, and help them learn basic physics and scientific principles. - Easy to Assemble: This science physical experiment toy requires manual assembly, allowing kids to build it with family for a fun and engaging experience. - Durable: The hydroelectric generate electricity model DIY kit is made of quality materials, designed to be long-lasting. - Uses: This science toy can be used as a teaching aid, for science fairs, eonal demonstrations, or as an eonal building toy. - Great Gift Idea: This eonal toy is both entertaining and instructive, making it an ideal gift for children and young learners who enjoy building projects. Size: 15cm x 12cm x 12cm (5.91in x 4.72in x 4.72in) Package Includes: 1 Science Experiment Model Note: Please allow slight variations due to manual measurement and differences in display monitors.