Answer:
Canine children.
What invention lets you look right through a wall?
I am so delicate that even mentioning me breaks me. What am I?
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
Pronounced as one letter but written with three always in evil never in good and always in zebra never in animal. What is it?
Give it food and it will live, give it water and it will die.