Handcrank DC generator designed for handson physics and STEM learning. Converts mechanical energy to steady DC power for circuit kits and small motors, with plugandplay operation and durable components for repeatable classroom or hobby demonstrations. Key benefits Teaches energy conversion and electromagnetic induction through direct interaction — students see and control the process. Reliable, continuous DC output for miniature experiment tools and small motors, eliminating dependence on batteries during demos. Easy to use: hand crank design and plugandplay connectivity make setup fast and intuitive, reducing prep time for instructors and hobbyists. Built to last: wearresistant bearings and longlasting components maintain stable performance through repeated use. Features and attributes Function: manual handcrank generator that produces DC power suitable for experiments and small motor loads. Compatibility: works with circuit kits, small DC motors, LEDs, and other miniature educational components. Size: compact/miniature form factor designed for benchtop demonstrations and portable use. Material & durability: fitted with wearresistant bearings and durable parts to ensure steady output and extended operational life. Performance: stable output maintenance for sustained demonstrations and repeated experiments without frequent maintenance. Use scenarios Classroom demo: Demonstrate electromagnetic induction by having students crank the generator to light LEDs, spin a motor, or power a simple circuit while observing voltage/current changes. Lab experiments: Serve as a dependable small motor power supply for handson labs measuring energy conversion efficiency, circuit response, or sensor behavior under controlled mechanical input. Maker space or hobby projects: Provide ondemand DC power for model testing, DIY electronics workshops, or STEM outreach activities where quick setup and repeatable demonstrations are required. Practical advantages No complex wiring or software setup — plug in common experiment components and begin demonstrations. Repeatable, tactile demonstrations improve student engagement and understanding of core physics concepts. Durable construction minimizes downtime and replacement costs for classroom or club use. A practical, reliable tool for educators, students, and hobbyists who need a compact, handson generator for clear demonstrations of energy conversion and electromagnetic principles.