Answer:
rub me and a genie might appear
I am an instrument you can hear but cannot touch or see. What am I?
There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?
You use a knife to slice my head but you weep beside me when I am dead
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
When is it bad luck to see a black cat?