Each pest, bug, and monster has unique attacks and weaknesses. Each are extremely dangerous until you know how to handle them. Sometimes toys like the ball, do damage. Other times they are of no effect. "Rapid Cleaning" can be helpful, depending on the situation. Some threats, Super Mega Pet can bounce into and kill. Experiment. Carefully observe how monsters react to certain forms of attack. Some power up's, like bug spray, can be dangerous to many times of creatures, including Super Mega Pet if used haphazardly.