Answer:
I run smoother than any rhyme I love to fall but cannot climb.
I am easy to waste and unstoppable. What am I?
Lighter than what I am made of. More of me is hidden than seen. What am I?
I am the kind of food monkey likes and people slip on me and fall in cartoons.
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.