Features: _x000D_ Amazing handheld electricity generator! Create power without batteries! Great for classroom physics teaching demonstrations. _x000D_ Simply turn the handle, the electricity generated makes the bulb bright. The faster you turn the handle, the more power you generate. _x000D_ Made with a clear plastic casing, students can clearly see the motor, gears and wiring. _x000D_ 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. _x000D_ _x000D_ This science kit is perfect for demonstrating the energy transformed from mechanical to electrical. _x000D_ _x000D_ Specifications: _x000D_ Material: ABS Material_x000D_ No-Load Output Voltage: 6.3V_x000D_ Output Current: 0.2A_x000D_ Storage Method: Well-ventilated, dry, indoor temperature preservation_x000D_ Light Bulb Replacement: 6.3V, 0.3A Miniature Light Bulb _x000D_ Weight: 178g(approx.) _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x Generator _x000D_ _x000D_ _x000D_ Note: Please don't overexert in order to avoid damage of the gears, 2 rounds per second is recommended.