Features: Discover the power of sustainable energy with our DIY Kits for Manual Generator Fan Model, designed to generate electricity through hand cranking without the need for batteries. Crafted with acrylic shell and high quality materials, this kit offers stable performances and a smooth operation, making it both wear resistant and long lasting. Suitable for students, educators, science enthusiasts, and DIY model makers who are eager to explore the principles of hand generated electricity. Perfect for classroom teaching, scientific experiments, home entertainment, and hands on skill development activities, providing engaging learning experience. This educational tool not only demonstrates the mechanics of a manual generator but also encourages curiosity and innovation in renewable energy solution. Specifications: Component:ABS Size:Approx.6x6x8cm/2.36x2.36x3.15inch Package Includes: 1Pc Hand Crank Generator Fan note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.