Answer:
I have wheels and flies yet I am not an aircraft.
I encourage people to run home and steal
What has one head one foot and four legs?
What can be heard in court or used to carry briefs?
I have hands but do not hold, teeth but do not bite. Feet I have but they are cold, eyes I have but without sight. What am I?
No matter how little or how much you use me, you change me every month.