Long Story short... the set would be worth AT LEAST $100. If it looks good to you... then go for it. I would try to understand if the loco runs, even though it is not assembled. And check to see if all the screws are there etc.
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 .