The Story of the Treasure Seekers - Stage 2

Story of the Trasure Seekers The Bastables family is very unfortunate. Fist they lose their mother. And then their father goes bankrupt. There are six siblings in this family. They all try to help their father. They become treasure seekers. The children have many adventures trying to find money. At the end, they find something which is much more important than money. What is this ?