By using empty coca cola or sprite or any soda plastic bottles we can make fans,Its simple and easy and take less time to build, We require 6 or 9 V DC Toy motor and Power source you may use the battery or you can use the old Mobile phone charger having output of 5 V was very effective power source,And you may use tissue paper Rolls or PVC Pipes as holders or stand for the fan and you may build base with several materials like Styrofoam or card board sheets. It produces cool air and t requires less than 1 $ to build and use.
Warning: Be careful while handling cutters and scissors and take extra care with Electricity.
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Participated in the
Homemade Gifts Contest 2015