Answer:
What has legs but doesn't walk?
I can be cracked made told and played.
I go from house to house a messenger small and tight. Whether it rains or snows I sleep outside at night.
The more of this there is the less you see. What is it?
What has 13 hearts but no other organs?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.