My baby boy is 2! His birthday fell on a weekend this year, so I figured what better way to celebrate his actual birthday then to spend the day with family and friends in a supped-up play date. If I was going to create a special day for my son, it had to be full of things he loved - and my son loves trains! He gets so excited for choo-choo trains, and I couldn't wait for him to see what I had planned for his birthday! (Although I discovered Pinterest while I was already well into my planning…