Answer:
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
My flavors ranges from strawberry to toe.
I go around a yard but does not move.
kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all.
I can climb mountains, cross streams, handle hundreds of feet each day, yet I never move. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.