Micro-Wind Turbines Generators Portable Wind Power Generators Self-Generation Outdoor Teaching Tool Model portable wind power generators kit
Features:
Small wind set. It requires you to assemble your own wind and you can enjoy the fun of DIY at the same-time.
This learning toy is good for curious children to understand the driving principle of the motor and how the propellers rotates to generate wind.
Just connect your mobile phone USB to the supplied voltages regulator and place your wind in the wind streams (high wind) to generate electricity.
It can be used as wind power teaching experiment. It is very suitable for training students and children hands-on ability.
Note:
The positive and negative poles alternate. Please find out which side is negative and which side is positive, otherwise it will burns out.

Specifications:
Material: plastic
Motor diameter: Approx.24.5mm/0.96inch
Motor height: Approx.34.2mm/1.35inch (including front and rear bearings sleeves)
Output-shaft diameter: Approx.2mm/0.08inch
Output-shaft length: Approx.13.5mm/0.53inch
Total diameter of fan