I'm a EE masters student and I also want to reinforce how inaccessible EE is and that I don't really recommend it as a hobby. EE is a very mature field and it's very math heavy for a reason. The second you move past the hobby boards, stuff becomes really difficult and really expensive really fast. If your end goal is to create toys for kids, then it's fine as a hobby. But without the formal training and lab access you are going to struggle to get past that point so it's pretty much impossible to turn the hobby into something more. Unlike software, where tinkering genuinely has the possibility of turning your side projects into careers. Hell, if you don't live in EE hotspot locations, I wouldn't even recommend it as a career anymore. Software is where it's at, even in the age of AI.