Even though RadioShack has gone the way of the doe doe bird, I still remember getting my x-in-1 electronics kits from there. Using those kits I learned to wire circuits, read schematics, and learned what a node is.
Luckily, you can still get one of these kits at – https://www.robotshop.com/en/130-in-1-electronics-playground.html
If you want to learn electronics, or get your child interested in electronics and STEM, this is a kit to buy. It might be a little old fashioned, but it is still a great way to learn electronics!