Tip Jars can be obtained from Daily Reward, Chests, or from the Store.
You can find the Tip Jars menu at the top middle of your screen, a button named Tips. Here you can find all your available Tip Jars for you to redeem and use.
There are in total of 6 different variants of Tip Jars
2x for 1 Hour
2x for 12 Hours
4x for 48 Hours
10x for 1 Hour
10x for 12 Hours
50x for 1 Hour