Hi vikoulia! I too am new here, just joined last month but with that, I've learned a lot of things from this great site. And I'm just glad I met these wonderful, helpful parents here while my daughter is still young. With that I can apply the helpful infos I gained from this site.
Your eldest is still 2y.o., it's not too late, that is still considered a very young age... Accdg. to Doman the younger the child, the easier the learning process,and that before a child reaches 5 y.o. he can easily absorb tremendous amounts of information.
Enjoy the site & see you around