Detail DIY Assembly Wind Power Model Car Electric Motor Drive Assault Propeller 4WD Small Car Robot Science Experiment Student Handmade Note: Product do not include AA batteries.  You can not see the wind,but you can see the effect of the wind. Although we can not see the air, but the air exists in our side, Slightly small areas of flowing air can create a breeze feel, The rapid flow of a wide range of air will have a huge wind, Typhoon dragon or tornado is produced by strenuous exercise of air . Assault type propeller car's principle is very simple, driven by the rotating motor propeller, resulting in airflow, air thrust back-propelled front propeller car movement. This section production is very simple and easy to understand, with instructions, is a good classroom training popular science materials and gifts. Can DIY: This product is a material package, you need hands-on assembly, the production process is a very interesting scientific experience process, hands and mind. After the class hands-on production, speed competition, take a look at who car faster. Scientific principle: After installation, access to the battery, propeller rotation, driven by air to move the car. Dimensions: Length 18 cm, width 3 cm, height 6 cm Applicable Battery: Need to be equipped with 2 AA batteries (AA) (Not included)
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