You could sell the lot of it on eBay for a reasonable sum of money, unless you really need to keep the older consoles that a computer can easily emulate.
Ah, so you are 13. That changes much, as that is a very respectible gaming collection for a 13-year-old to possess.
My own parents used to fear the internet. Then my intelligence and reasoning overwelmed them, and now I am an eBay seller. Now, if only I could dispell their fear of rats...