Answer:
What goes through towns and over hills but never moves?
What can be heard in court or used to carry briefs?
What goes up but never comes down?
I make a loud sound when I'm changing. When I do change I get bigger but weigh less. What am I?
I have keys but no locks. I have space but no room. You can enter but canβt go outside. What am I?
A little house full of meat, no door to go in and eat.