Answer:
What grows in winter, dies in summer, and grows roots upward?
Only two backbones and thousands of ribs.
Don't do this in the shallow end.
Iron roof, glass walls, burns and burns and never falls.
I have a neck but no head. I have a body but no arm. I have a bottom but no leg.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?