Answer:
My children are near and far. No matter that I know where they are. The gift I give them make their day. But if I were gone they would wander away.
Long and slinky like a trout, never sings till it's guts come out.
Only one color, but not one size. Stuck at the bottom, yet easily flies. Present in sun, but not in rain. Doing no harm, and feeling no pain.
What has a bell but isn't a church. Is full of air but is not a balloon?
Long and think, red within, with a nail at the end.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.