Answer:
I am of several different kinds, but the one you pick doesn't do its job. What am I?
If you drop me I'm sure to crack but give me a smile and I'll always smile back. What am I?
What has four wheels and flies?
Which word does not belong in the following list: Stop cop mop chop prop shop or crop?
I fly when I'm born. I lie when I'm alive. I run when I'm dead. What am I?
When is it bad luck to see a black cat?