Answer:
Its fleece is warm and wooly white. And when you lie awake at night, count it and you'll fall asleep. What is it?
I can be moved. I can be rolled. But nothing will I hold. I'm red and I'm blue, and I can be other colors too. Having no head, though similar in shape. I have no eyes yet move all over the place.
What has a tongue but cannot talk gets around but cannot walk
They're big and blue, and larger than seas
When one does not know what it is, then it is something; but when one knows what it is, then it is nothing.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?