I've got a bit of college homework and I can't find any information about the benefits of fine and gross motor skills anywhere in my textbook or any helpful information on the internet, anyone got any ideas?

Really, try this Let me google that for you

You definitely need to learn this. You will find it very useful in teaching or any field in education.

I typed in YOUR keywords and got tons of information using Google. Every website that was listed had useful stuff in it.