Toy Story the movie themed children's party. Each child comes dressed as there favorite character. you have a costume contest. have a buzz light year (or child's favorite character) cake. and play games party games such as water balloon toss in the summer n in the winter you can play games like pin the nose on Mr. potato head. and other creative ideas. get the birthday boy or girl involved in planning his or her party let them invent some games. it will be so much more fun for them when they know that they helped in one way or another.