Answer:
I can be moved. I can be rolled. But nothing will I hold. I'm red and I'm blue, and I can be other colors too. Having no head, though similar in shape. I have no eyes - yet move all over the place.
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
Whilst I was engaged in sitting. I spied the dead carrying the living
I have four wings but cannot fly. I never laugh and never cry. On the same spot always found, toiling away with little sound.
Slayer of regrets, old and new, sought by many, found by few.
You use it between your head and your toes, the more it works the thinner it grows.