Hand Crank Generator Fan Model for teaching energy conversion and basic engineering skills Overview A compact, hand cranked generator fan that produces electricity through manual operation. Designed for hands on learning, it demonstrates conversion of mechanical energy to electrical energy without batteries. Clear construction and simple operation make it suitable for classroom demonstrations, science projects, and independent exploration. Key benefits Demonstrates core concepts: makes the principles of manual generators and energy conversion visible and easy to understand. Ready to use: hand crank operation requires no batteries or external power, so setup is quick and reliable. Durable and observable construction: acrylic shell allows students to see internal parts in motion while ABS components provide stable, long lasting performance and smooth operation. Small and portable: compact size makes it easy to transport between classroom, lab, and home activities. Features and specifications Function: hand crank generator that drives a small fan and generates electricity through manual rotation. Materials: ABS components with an acrylic shell for clear observation. Size: approx. 6 x 6 x 8 cm (2.36 x 2.36 x 3.15 inch). Package contents: 1 Pc Hand Crank Generator Fan. How this product solves problems Removes setup barriers for demonstrations by eliminating batteries and wiring complexity. Provides a repeatable, hands on way to teach and test concepts such as energy conversion, basic circuitry, and mechanical to electrical coupling. Clear casing and reliable components let learners observe mechanisms and focus on learning outcomes rather than assembly issues. Use scenarios Classroom demonstration: show energy conversion and generator mechanics during physics or engineering lessons. Science fair or project: use as a tangible exhibit to explain how manual generators work and to power small loads. Home STEM activity: students and hobbyists can explore hand powered electricity and basic experiments with a compact, safe model. Notes Please allow 1 to 2 cm variation due to manual measurement. Product appearance may vary slightly from photos because of differences in display monitors.