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.
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams, my merest touch brings laughter
You throw away the outside, eat the inside, then throw away the inside. What is it?
You use it between your head and your toes, the more it works the thinner it grows.