Answer:
I'm at the head of an elephant and at the tail of a squirrel
I shrink smaller every time I take a bath.
I row quickly with four oars, but never come out from under my own roof. What am I?
I am black within and red without; with four corners round about. What am I?
I start new then become old. Start clean but become dirty. I usually start big then become little. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?