Answer:
I come in winter. I cannot see, hear, or feel. I can't eat, but you can eat parts of me.
I travel with deer all over the world and make the night special for all boys and girls. I happily drink milk and eat your cookies and then I give you all sorts of goodies. Who am I?
Do this to your gifts to make them festive
What can you blow up and keep intact?
What can you catch but never throw?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.