Kids Riddles

Kid Riddle #4 (medium)

Question: What starts with the letter "t", is filled with "t" and ends in "t"?

Question: 7 months have 31 days. How many months have 28 days?

Question: What kind of room has no doors or windows?

Question: I can run but never walk. Wherever I go, thought are close behind me.

What am I?

Question: Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not.

What is it?