I have 2 sons, 6 & 4 when can I talk to them about Enlightenment?

[Bluff]

ask your kids about things before they were born.

like: Where have you been before you came here to earth?

some kids remember.

Maybe you can help them manifesting these memories 

[molosku]

I recently attended a weekend Rupert Spira session. This topic came up, and he said he has never talked about non-duality to his son for the sole reason that he has never asked about it. 

Something to think about