How should I structure a fitness program for a 9 year old male?

How would I go about structuring and implementing a fitness program for a 9 year old male who has never undergone any serious physical training before? I understand that you should not use weights due to the risk of stunting growth and that you should provide a nutritious diet with a balance of protein and carbs. What I want to know is what exercises and how many reps, sets and circuits should I apply to increase muscle growth and density and how much cardio should be required to improve stamina? I have never done this before and so if you can give as detailed a reply as possible that would be helpful.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).