At this point you've got your base ready to go and you can decorate as you please. You'll need some piping bags and size 1 or 2 tips. You can also use a zip top bag with a very small hole cut in the corner. Color your royal icing the colors of your choice and have fun.
Here are a few different ways we decorated.
Yep, that's a snowball in her hand. I got my hands on a bag of Kraft Micromallows and just love them! They are the size of mini marshmallows in hot chocolate mix. Perfect for mini snowballs. To make it easier on the kids, you can use Silver Dragees or mini chocolate chips for buttons.