This hand-driven Van de Graaff generator is an engaging demonstration device designed to illustrate the principles of electrostatics. By simply turning the handle, users can generate high-voltage static electricity, making it ideal for physics classrooms, science labs, and educational demonstrations. Its sturdy construction ensures reliable performance, while the clear, hands-on operation helps students visually understand charge buildup, electric fields, and static discharge in a safe and interactive way. Perfect for experiments, presentations, and science exhibitions.