I started model railways with the Thomas & Percy electric train set, which got me into the hobby
after that I collected models from birthdays and Christmas, which grew my collection slowly. Also i I've been going to the model railway exhibition at the SECC (Scottish Exhibtion and Conference Centre) in Glasgow every year, some years I bought my self locomotives, coaches sometimes and wagons as well. As of now I have become way more involved into model railways by becoming more serious with it all.
I've always wanted to have a model railway to run trains on but i don't always have the time to work on it that often but at some point in the summer I'll probably work on it a lot more to get the track secured and maybe even ballasted.
The era I'd like to do it in is preserved, with diesels and steam locos that are still around these days, as I would find it difficult to model in one era to one company. Some people do and it's great to see at exhibitions.
The perfect layout I'd love to model would have to be to include the lickey incline, that's south of Birmingham which is a 1:37 for a continuous two miles, so trains need a banker when climbing it, so the incline would be on one side of the layout, with some long straights from the lower half of the layout, then flat at the top with a station and small junction for shunting. with the track to come around a corner, to a station, with a helix to get back down to the lower level of the layout.
If it all works out, then it'd be a really cool layout to model, the engines i'd include would be ones from preserved railways as that means i can run any era and don't have to focus on just one, with a lot of research going into it before hand.
Now here's a link to a youtube video on how to ballast model railway tracks.
https://www.youtube.com/watch?v=pm_ChLgaado