By changing the rules to games played with your children, you can teach them that following consequences is important. Follow the steps in this video to learn how.
Learn how to improve your ability to give rewards here: https://www.smarterparenting.com/skills/effective-positive-rewards/
Learn how to give consequences that make a difference while preserving your relationship with your child: https://www.smarterparenting.com/skills/effective-negative-consequences-2/
Learn more parenting skills at https://smarterparenting.com/