Answer:
This sparkling globe can float on water. It is light as a feather, but ten giants can't pick it up.
Never ahead, ever behind, yet flying swiftly past; For a child I last forever, for adults I'm gone too fast.
Proof you've done your time in school
In the sun it likes to play; In the rain it goes away; Walk or run it always follows; In the mud it always wallows.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.
How can you add eight 6s together so that the total adds up to 750?