It is never to soon to teach your children about sound financial management skills. One of the first roadblocks we encounter with our young is the aspect of instant gratification. While some things certainly need to be addressed immediately, the wants and desires for things that can wait provide a teaching opportunity. The best method is to certainly lead by example. Second could be to help children by teaching them to not make the same mistakes others have made. Teaching to saving or invest, financial planning or to plan financially develops a value system offsetting impulse buying and succumbing to instant gratification.
There are claims that babies, while still in the womb, benefit by listening to classical music. As babies develop advanced communication skills they are learning from what they see and hear. Ready yourself and your family by getting a jump on financial planning with education on topics in the various fields.