Answer:
He's small but he can climb a tower.
The more you take, the more you leave behind. What are they?
What is born on the ground but floats to the sky, to be returned back again from the clouds up high?
What is something that can go up quite easily, but is not as easy to bring back down?
What is not a ball but yet a sphere, and holds all lands and people year after year?
What is always coming but never arrives?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?