Answer:
Who works when he plays and plays when he works?
A tree with 5 branches, no leaves and no fruits
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see.
What can go through glass without breaking it?
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
What never gets any wetter no matter how hard it rains?