Watch out for the Big Bad Wolf when he tries to catch the three little pigs in their houses. The three little pigs live in different houses which are Wild Symbols. These houses are made of straw, wood and brick. The house of brick is the strongest where the wolf can’t blow it down. So, when the wolf blows a straw or wood house down these houses (Wilds) move to the next reel and changes into a stronger house until it’s m...