It's a new year and time for new ages! Kids have always loved turning a new age and welcomed the idea of getting older. They love holding their fingers up and proudly proclaiming their age aloud. My niece, Avery will be turning three this year, and although she's not quite old enough to be choosing party themes, we definitely know what she likes... monkeys! But, I know as the years pass, her tastes will change, so I look forward to each birthday wondering what her birthday wishes will bring. Below, I have created a list of some of the most popular children's birthday party themes to help you in planning a fabulously fun birthday.