First, having a piggy bank is necessary .A piggy bank will help you to save all the pennies , coin and quarters that you don’t use or all the that are on the living room floor or table .A piggy bank will help you to save all the unwanted change that you don’t use. After a while when you will need money you can open the piggy bank , and you will realize how much money you have saved up in t5he piggy bank.