Good manners can sometimes take time to learn and take a lot of practice to accomplish, but making an effort to use good manners is a kind thing to do.
Here are some ways to mind your manners when in public:
People who are polite are usually more pleasant to be around. And being polite and courteous to others is a way to show your respect.
Kids can make a list of all the ways they can use their manners in public, and then try to follow the list whenever they are in public.
If there is a particular manner you have trouble using in public, try to become a master of that manner.