I spy is a great one to play with them. Morgan loves trying stump his "grandma."

Be careful with them maybe memorizing what they've been read. We didn't know it, nor did the Montessori school my youngest went to: she audiographic memory...we all thought she was reading up through first grade when the teachers and I finally realised she remembered exactly what had been read and/or said to her and could repeat it back verbatim. So, she had some catching up to do, to learn to really read, which she did do, quite well. That type of memory has served her well in business and she always has a book or two going.