This is an easy way to make an air freshener
Step 1: Get Your Materials
You will need:
a heat sink from a computer
a fan that fits on the heat sink if yours doesn't have one already
cologne any will work
Step 2: Assembly
If you need to put the fan on the heat sink. Then spray some cologne in the heat sink for about 2 seconds and hook up the fan to the nine volt battery and you will be able to smell it.