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In this step by step I will be showing you how to make a cheap pocket fan without any technical skills needed.
You can make this as simple as you want.

Step 1: Parts List

To make it you will need:
-a 9Volt battery
-a 9Volt battery clip
-a 9 or 12 Volt fan (you can buy these easily from ebay.com, dx,com or a local store)
  unfortunately I didn't had a spare fan with plastic around the blades, those are saver and easier to use in this project.
-Wire strippers ( if you don't have this you can use a knife or scissors instead, but be careful)
-a sliding-switch(optional, but really cheap)
-tape
-wire cutters and scissors might come in handy!

Step 2: The Making

Start by taking away about 1cm (1/3 inch) of the wires plastic ends, to expose the copper wire in the middle.

Then take exposed part of both red wires and twist them together. Like in the picture.

Next you put a little piece of tape over the connection.

Step 3: The Making

Now take the end of one black wire and string it through the hole in the middle pin of the switch. 

Take the other black wire and string it though the left or right pin.

And put a little piece of tape over the connections, make sure the two wires don't touch each other, so insulate them separately.

Step 4: The Making

Secure the switch to the fan with a piece of tape (or glue). I secured mine to the back, but if you can secure it to the side!!

You can now connect the battery-clip to the battery.

To release stress on the wires, you can tape the battery to the side of the fan.

Enjoy your homemade fan!!! 
might I suggest using a DC to DC boost converter with this. (Joule Thief). you will have a much higher output for a longer period of time. and you won't need a 9v battery to do it.
That is possible, but i wanted to make this as easy as possible so everyone can make it. <br>
they are pretty simple to make. varying types for different boosts...but yeah. coolio anyway.

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