If you are looking for a potty training DVDs for your toddlers, Here is the free one from Huggies that help parents and as well kids learn some of the tips.

PULL-UPS DVD Offer via kwout

As soon as kid is physiologically ready that he/she is aware of bowel control then that is the right age.The most important thing or tip is that it requires tremendous amounts of patience and stay home days until the child is totally trained including nights.