The trains are pre-WW2 Lionel. I'm not well versed (i.e. almost none) in the ins and outs of prewar values, so I'll leave that to more knowledgable folks. (you might want to change the title of your post to something like "what do i have here? (Prewar Lionel)" to increase the odds that someone with the necessary knowledge will notice your post.
---PCJ
*(I searched "matchbox y series")