If your child breaks a toy by playing roughly, do not replace it. He'll learn for the next time. Take away watching TV, or playing outside, or talking on the phone. Move a young child away from unsafe things. Give choices you can live with.
Children sometimes act up just to get attention.
Don't give in to them , ignore that kind of behavior unless you child might get hurt. Tell your child that you are disappointed or angry with his behavior, not with him as a person. Practice what you preach . Children will follow your example. Expert to see good behavior , and you are more likely to get it.