Answer:
I am an activity involving pins flying in the air.
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
I run around the streets all day. Under the bed or by the door I sit at night, never alone. My tongue hangs out, waiting to be fed during the day. What am I?
I help engines spin and pants stay up. What am I?
Before Mt. Everest was discovered what was the highest mountain in the world?
I spend most of my day eating white. When I am quick enough I get rewarded with fruit and something blue. In a dark room with blue walls I run from the ghosts that roam the halls