Mini Wind Turbines Generator Led Teaching Tool Sample Model
4 reviews

Features:

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.

Specification:

Size: See the picture
Quantity: 1Pc
Material: Plastic
Color: See pictures

Package includes:

1Pc x Smallest Mini Minor Wind Turbines Generator LED Teaching Tools Sample Model

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.