Answer:
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. What am I?
I work when I play and play when I work
A piece of paper that takes most people 3 or 4 years to get.
You throw me away, I find my way back. Traditionally, I'm wooden with an arch in my back. What am I?
If you count 20 houses on your right going to the store and 20 houses on your left coming home, how many houses did you count?