Answer:
I am wood that is neither hard straight or crooked
They come at night without being called and are lost in the day without being stolen. What are they?
What is full of holes but still holds water?
I am a mini solar powered computer.
I am a kind of coat that can only be put on when wet.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.