Answer:
I'm at the head of an elephant and at the tail of a squirrel
I begin and have no end and I end all that begins. What am I?
I work when I play and play when I work
In all the world, none can compare, I am a tiny weaver; my deadly cloth so silky and fair. What am I?
The person who makes me doesn't need me. The person who buys me doesn't use me. The person who uses me doesn't know it. What am I?
It rows quickly with four oars but never comes out from under his own roof. What is it?