I would just be careful about tt too early as you could put him off or make him scared of the whole process. I am not trying to put you down for trying i think its a great idea. I also know a lady who tt her son early and he was not actually aware of his body she just knew what times he needed to go and reminded him. So by the time he went to pre school he still was not independent on the toilet he was relying on his mum to tell him when to go. Hope that makes sense. Good luck just be aware.

Nikki