GSC International 4-1853 Generator, DC, 12V, Handheld This handheld DC generator is designed for classroom investigations into energy conversion and electrical systems. By turning the crank, students convert mechanical energy into electrical energy, allowing direct observation of voltage production and circuit response. The device supports instruction in conservation of energy, circuit behavior, and electrical load analysis during structured laboratory activities in upper elementary through introductory high school physics settings. Produces up to 12V DC through manual crank operation Binding posts allow secure connection to circuit components Durable plastic housing supports repeated classroom use No batteries required for operation Instruction guide included for structured lab activities PRODUCT WARNINGS This product is NOT A TOY. It is designed for educational, scientific, or professional use only. Adult supervision is required at all times. Improper use may cause injury or damage. Always follow safety guidelines and wear appropriate protective equipment. Not suitable for children 15 and under.