Detachable hand crank generator designed for STEM learning and hands on physics experiments. This compact, hand powered unit helps students and hobbyists explore the mechanics of generators and the conversion of mechanical energy into electrical energy. It is easy to assemble, durable, and ideal for classroom demonstrations, science fairs, and home projects. Key benefits Teaches core concepts: Demonstrates how a hand crank converts mechanical motion into electricity, reinforcing principles of electromagnetism and energy conversion. Simple and durable design: Made from quality plastic for long lasting use and repeated classroom handling. Portable and convenient: Small, lightweight, and detachable for easy storage and transport. Encourages active learning: Promotes hands on experimentation and scientific thinking for students and enthusiasts. Features and specifications Function: Hand powered, detachable generator for manual experiments and light bulb demonstrations. Material: Plastic Color: Yellow Size: Approximately 8 cm / 3.15 in Weight: Approximately 45 g Package includes: 1 set Manual Generator Experiment Supply Typical use scenarios Classroom physics lab: Use for live demonstrations of energy conversion, to supplement lessons on circuits and generators. Science fair or exhibition: Build simple projects that show how turning the crank lights a bulb or powers a small device. Home study or tutoring: Support one on one lessons and independent exploration of mechanical and electrical concepts. Additional notes Measurements are approximate. Please allow 0 to 1 cm variation due to manual measurement. Actual product color may vary slightly from images depending on monitor settings.