Answer:
Edible items purchased in large quantities.
What is the word that even in plain sight remains hidden?
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
Four kings of whom I am one lord. Often on deck but never on board. Though I have a large heart, I am always seen at war. During which I always wear a suit, but never a suit of armor. Who or what am I?
What is seen in the water and in the sky? It is part of the rainbow and can be in your eye
What is it that no man ever saw, which never was, but always will be?