P.S. This is my first instructable, so please pardon the garbled text and blurry images.
Step 1: Parts Needed (Or at least the one's I used)
Here's a list of what I used:
1. Fan out of dead power supply (120mm I believe)
2. 6v Lantern Battery
3. Soldering Iron and Solder
4. Hot Glue and Gun
5. Diagonal Cutting Pliers
6. Toggle(On/Off) switch from lantern that the 6v battery came from.
7. Wire Strippers