Answer:
What word has kst in the middle, in the beginning, and at the end?
What comes in many different sizes but is always only 1 foot long?
I am the thing that is used to make your weight. What am I?
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen. What am I?
I am the kind of ant that's good at math.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.