Give them these gifts:
Love for reading
Love for Nature
Love for Music
Teach them to make choices exactly the way you would - no matter how young they are, kids can understand options, pros and cons, and what's good for them or not among other parameters.
Give them the respect due to a human being. Talk with them as you would to another person - whether they are babies or all of 20, or getting older at 50...
Cherish them - they are Life's gifts to us....