You it is important that your child could and could make their own decision. and of course it's important you make it so that he could actually understand and find the differences in what he sees. And no need to do so in the form of lessons, you can really interested in playing. And do not forget that you need to do so that he would have been really interesting. Good luck to you and that you would have been fun and interesting that you need to be a child was interesting.