My DS7 would sneak on to my laptop at around that age and go to sesamestreet.org. he loved it! it has a lot of fun games. He liked this site too pbskids.org/lions/
We built forts in the living room out of stuff in the house. He loved the leap pad, slept with it. My niece at that age, loved the magnadoodle, shes gifted in art.
I would cook things that required stirring.... he would get to break the eggs and stir! I would talk about what each ingrident was doing in the thing as it cooked, ie baking soda make it raise, eggs add flavor and makes it stick together.
I did pretty much what you do with reg. developing kids just with more words and explaination.
(I'm in the one is enough club too!)
