There may still be some on the bay. It's been a few days since I checked. Go with K Line track. I think it's a bit better quality then its Lionel contemporaries. You can identify each radius by the ties, 042 has 4 ties, 054 sometimes has 5 but generally 3 ties & 072 will have 6 ties.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .