Answer:
You can hold it without using your hands or your arms. What is it?
Where do you go in through one hole and come out through two holes at the same time?
Tall in the morning, short at noon, gone at night. But I'll be back soon.
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.
My teeth are sharp, my back is straight, to cut things up it is my fate.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?