Origin:Mainland China Wind Generator Turbine LED Teaching Tools Sample Model Smallest 360 degrees Mini Wind Turbines Alternative Energy Generator Features: *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 *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. Specifications: Material: Plastic Color: Blue,Green,Red Package Contents: 1Pc x  LED Teaching Tools Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.