I made a lengthy comment below about my son, but now after watching the YouTube video, I am sad I do not have the resources to let him have such equipment. My son pulls off some cool experiments all on his own (I stay out of it apart from the phone call consultation, or YouTube video call) with salvage and other workarounds, with the money he earns and my contributions. These brothers have a freakin' mini-Tony-Stark…
Or you can learn business and marketing skills, which you will need anyway if you want to do something great.
For example, your son could set up some sort of Kickstarter collecting money for his fusion reactor. Or get in touch with universities asking for help. And so on.
I mean I agree that resources make a difference - for example I have heard many science project winners actually had help and got to use their parents labs. But don't let it dissuade you, don't give up.