Designed Beginner Kit: 6 PCS mini dc motor, 6 PCS Motor Mounting Bracket Holder and 3 PCS different colors 4 Vanes shaft propellers and 3 PCS 3 Vanes shaft propellers Parameter: Different voltages correspond to different speeds. Voltage: DC 3V, rated speed: 1500 RPM, voltage: DC 4.5V, rated speed: 2500 RPM, voltage: DC 12V, rated speed: 6500 RPM. Color: silver. Motor Body Diameter: 24mm/0.94" Two-way Conversion: When the bearing rotates, it generates electricity, when receiving power, the bearing will rotate. This mini wind generator set enables the conversion of kinetic and electrical energy Good Gift: This learning toy is good for curious kids, let the children know the driving principle of the motor, how the propeller rotates to produce wind.
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