One thing my kids love to do is to pick a letter each day for us to talk about. It is an easy, fun way to reinforce the alphabet.
Materials:
Recycled container ( I used an old coffee container)
Letters (You can make your own or buy pre-made...Dollar Tree often has them)
Directions:
Pick a letter each day. I let both of my kids each pick one. I then let them tape them to the wall. We then sing the coordinating song from our alphabet chart and cd.
I love our chart and cd but you could easily do this without it. Try listing words that start with the letter or practice "writing" the letter with play-dough, sand, etc.