A couple of weeks ago my son turned six, and he requested a Circus party... and I love a good DIY birthday party! Today I am sharing all the easy and inexpensive DIY details that made the party special. We had 20 kids, and a ton of fun. My birthday boy started the day with a special pancake breakfast, and then it was on to the party. The Cake is one of my favorite parts of any birthday party. The one I made was super easy -- using straws, a paper carousal top, and some animal cracker…