Finding a place to hide your things can be diffucult sometimes. There is always a chance that somone may stumble across it, or someone will find your hiding place. Hiding it in your stationary computer however, is a very unexpected and safe place.
Find your stationary computer, and open the cover.
You will notice how much space there is in the case. There are many great spots to hide items.
Put your sutff inside, and make sure you don't mess with any cards or wires.