Answer:
I work when I play and play when I work.
I have two hands but cannot clap
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
Jack and Jill when up the hill jack fell down
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?