Hi Carrie and gratefulmama - Thank you so much for your reply.
Let's see, ages - 13 - girl, 11 - boy,(but a 'grade ahead' for the age he is).
Then the ones I want to put in the hearts program -
ages 8 (fall) - boy,
5(finished kindergarten, reading short vowel words) - girl,
and 4(in the fall ...