This USB compatible mini fan cools you when using your PC .
Step 1: Materials Needed
Cd-Disk, Stick, Electric tape, Small DC Motor, USB wire
Step 2: Connect Them
First of all take some CD Disk and tape it. Then after in disk hole attach the stick and also tape it too look some cool effect . Now it's time to attach the DC motor in the top of stick and wire it. After all things fitted attach your propeller made by paper. Now, all things are ready take your USB cable in to USB port of PC. The fan will rotate and keeps you cool . Thank You . Any suggestion please leave your comment .