Answer:
The eight of us go forth not back to protect our king from a foe's attack. What are we?
This sparkling globe can float on water. It is light as a feather, but ten giants can't pick it up.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.
Very helpful if you intend to go gently down a river.
A blue man lives in the blue house. A red man lives in the red house. Who lives in the white house?
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.