Answer:
Round as an apple, deep as a cup, and all the kings' horses can't fill it up. What is it?
What kind of nut is empty at the center and has no shell.
What has two spines and a lot of ribs, and carries much but never moves?
When the creeper passes, all the grass kneels
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?