Smallest Mini Wind Turbines Generator LED Teaching Tools Sample Model

Description

100% brand new and high quality
Material: Plastic
Color: See pictures
Mini Minor wind turbine generator LED Tools Teaching Sample Template
The world's smallest wind turbine, can turn 360graus at any angle, and will automatically face the wind direction.
Power generation will light the LED (2 blue LED and green LED 1)
LED low power consumption required, Blowing into his mouth or under a fan is enough to get the power to light up the LED, which is also
can be used as a teaching experiment.
Size: See the picture
No retail package
Quantity: 1Pc
Package includes:
1Pc x Smallest Mini Minor Wind Turbines Generator LED Teaching Tools Sample Model