Handheld Manual Electricity DC Crank Generator Model Miniature Light Blub Kit Science Experiment KidSpecification:Material: ABS MaterialColor: Blue-TransparentNo-Load Output Voltage: 6.3VOutput Current: 0.2AStorage Method: Well-ventilated, dry, indoor temperature preservationLight Bulb Replacement: 6.3V, 0.3A Miniature Light Bulb Note: Please don't overexert in order to avoid damage of the geers, 2 rounds per second is recommended. Features:- Amazing handheld electricity generator Create power without batteries Great for classroom physics teaching demonstrations- Simply turn the handle, the electricity generated makes the bulb bright. The faster you turn the handle, the more power you generate.- Made with a clear plastic casing, students can clearly see the motor, gears and wiring.- This grip style handle generator allows connection to electrical circuits. Screw out the miniature light bulb, can be used with almost any experiment requiring up to 6.3 volts DC. - This science kit is perfect for demonstrating the energy transformed from mechanical to electrical. Package Included:1 x Handheld Electricity Generator Kit More Details: