Answer:
I am useless when together but useful when I am broken apart. What am I?
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
I am black, white, and read all over. What am I?
I like to twirl my body but keep my head up high. After I go in, everything becomes tight. What am I?
I am a word of letters three. Add two and fewer there will be. What word am I?
When is it bad luck to see a black cat?