Answer:
Travel a mile and I will change, travel a million and I will end as I started. What am I?
The more you take the more you leave behind. What are they?
*forward* *backwards*is what I do all day. I come in all different shapes and sizes. I can be scary and I can calm you down.
I have wheels and flies yet I am not an aircraft.
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
Give it food and it will live, give it water and it will die.