Answer:
What is so delicate that saying its name breaks it?
Tear one off and scratch my head what was red is black instead. What is it?
I have a bank, but no money. I have a bed but do not sleep.I have a mouth but cannot eat. What am I?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
When it comes to me, you go on red and stop on green. What am I?
Give it food and it will live, give it water and it will die.