Good plan. That's the only thing I messed up on, not extending the top on mine. I wasn't sure how it would all turn out when I placed my first order? I didn't really think about it until my grandson brought it up. He wanted more room to drive cars around the layout perimeter. I can still fix it when I expand I think, for the most part anyway. Unfortunately, I think my grandson is getting too old to want to run cars around like he used to.
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