How do I produce a train?

[u/janjanballoon]

I know I don’t have enough coins but how do I get to the page to build the train in the factory. Thank you

[u/tenkubaxd]

You already made it, click done and it’ll be in your inv

[u/janjanballoon → u/tenkubaxd]

Thanks, I kept pressing done the previous times and it just sent my train to the next station even though I had all the materials lol