Answer:
I start new then become old. Start clean but become dirty. I usually start big then become little. What am I?
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
What always goes to bed with its shoes on?
I am a protector of the scoreboard.
I'm not a bird, but I can fly through the sky. I'm not a river, but I'm full of water. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.