The Three Little Pigs

"The Three Little Pigs" is a fable about three pigs who build three houses of different materials. A Big Bad Wolf blows down the first two pigs' houses, made of straw and sticks respectively, but is unable to destroy the third pig's house, made of bricks

Questions:

Who are the characters in this story?

Why did the pigs leave home?

Which house couldn't the wolf blow down? why not?

What did the second pig build his house from?