What is it that makes a good kids costumes? Practically, it’s a costume that’s both safe and appropriate for the child’s age. But from the child’s point of view, it’s usually the latest popular movie character, famous celebrity or some other part of the “pop” culture. When you’re choosing Kids Halloween costumes for your kids, it’s always best to include them in the process. You’ll sometimes need to point them in the right direction and make sure they choose something suitable, but for the most part they can decide what they want to be on their own.