I suggest The Early Years guide and DVD. For informal learning activities, check out Before Five in a Row. It can be used with both children. You can always post here again if you have any specific questions. Enjoy this time together. Lay a strong foundation of good habits and strong routines. Character development is more important at this age than academics. You can look at Laying Down the Rails for this, and also Character Concepts. We have enjoyed the Miller stories through the years, by Mildred A. Martin.