Smash Jars with Medal
You can smash jars with medals.
There are eight levels for jar smashing with medal：Elementary Colored Jar, Junior Colored Jar, Senior Colored Jar, College Colored Jar, Master Colored Jar, Headteacher Colored Jar, Discipline Master Colored Jar,and Principal Colored Jar.
Different levels of colored jars contain different rewards. The higher the level is, the better the rewards.You need to reach required level of rank to smash jars. Each smash will cost you 200 medals.