At about 6 to 8 months old I started to teach my son his letters and evenually he became interested in the numbers too. I began by put the bath toy letters and numbers in the tub with him while he bathed. He loved those things. He would take them everywhere with him, in the car, the supermarket, I mean everywhere. Still at 2.5 years old he carries his letters with him. Anyways, when he was younger in the bath he would hold up a letter up (and want to know what it was), I would tell him the letter and the sound until he could say it. In no time he knew all