The countdown for all parents is on!  You know…that countdown to when our wonderful, darling kids go back to school. Oh, don’t get me wrong, I love having them home, and we have had a lot of fun over the past two weeks playing board games and hanging out once the unpacking was complete! But as more cold rain fell and the bickering amped up this morning, we knew that, despite the weather, it was time to get out of our pjs and out of the house. Thankfully, I had in hand four tickets to the Perot Museum of Nature and Science, courtesy of a giveaway by Courtney from My Crazy Savings. It…