Features Just turn the handle and the electricity generated lights up the light bulb, the faster you turn the handle, the more energy is generated. Constructed with a clear plastic housing, students can clearly see the motors, gears and wiring. Amazing handheld generator! Generates electricity without batteries! Ideal for classroom physics teaching demonstrations. This grip-style handle generator allows connection to electrical circuits, unscrewing miniature bulbs, and can be used for almost any experiment that requires up to 6.3 volts DC. This science kit is perfect for demonstrating the conversion of energy from machinery to electricity. Features: -Just turn the handle and the electricity generated lights up the light bulb, the faster you turn the handle, the more energy is generated. -Constructed with a clear plastic housing, students can clearly see the motors, gears and wiring. -Amazing handheld generator! Generates electricity without batteries! Ideal for classroom physics teaching demonstrations. -This grip-style handle generator allows connection to electrical circuits, unscrewing miniature bulbs, and can be used for almost any experiment that requires up to 6.3 volts DC. -This science kit is perfect for demonstrating the conversion of energy from machinery to electricity. Specifications: Material: ABS Material No-Load Output Voltage: 6.3V Output Current: 0.2A Storage Method: Well-ventilated, dry, indoor temperature preservation Light Bulb Replacement: 6.3V, 0.3A Miniature Light Bulb Weight: 178g(approx.) Package Includes: 1 x Generator Package List