Answer:
What has 4 fingers and a thumb but is not living?
If you lose me you may cause people around you to lose me too.
No legs have I to dance, no lungs have I to breathe. No life have I to live or die, and yet I do all three. What am I?
They come at night without being called and are lost in the day without being stolen. What are they?
My voice is tender, my waist is slender and I'm often invited to play. Yet wherever I go, I must take my bow or else I have nothing to say. What am I?
Give it food and it will live, give it water and it will die.