You probably have learned you aren't supposed to use Threats, Timeouts, Grounding, Restrictions, or Corporal Punishment but not learned what you can do instead!
Attend this webinar to learn trust-based responses to problematic behavior that are far more effective than "carrot-and-stick" power-and-control "behavior modification" techniques --- which, by the way, 50 years of research has conclusively shown are counter-productive and kill internal motivation!
If you want to teach children how to be self-disciplined, then use the 5 most effective discipline tools that resolve the root cause of problematic behavior, including trauma.