Answer:
I have a head tail but no arms and legs.
Flat as a leaf round as a ring. I have two eyes but can't see a thing.
I can be entertaining until you realize some pieces have been lost.
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
Although I am still, in families I run. I continue to live on in a living one. As one continues to draw breath, I will not rust. However, when one stops drawing breath, I will become mere dust. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk