Raising children is a difficult task, we recommend reward rather than punish, is much more effective to improve the behavior of your children.
Here you will find a chore chart, here you can select some chores and once achieved the goal, your son will get his marked prize.
This app is very simple, your child will understand all perfectly.
So, you always have this useful rewards chart, and you can check the goals at any time and anywere, unlike tables rewards we have in the refrigerator or against the wall.
I hope you serve and if your kids achieve the objectives you also will have got your reward.