Answer:
What is the edge of earth and bread?
I must be broken before you can use me.
A little pool with two layers of wall around it. One white and soft and the other dark and hard, amidst a light brown grassy lawn with an outline of a green grass. What am I?
I am a mini solar powered computer
I sit in a corner while travelling around the world.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?