Think about it. All the essential habits of life are learned in childhood. It is a rare person who learns how to brush their teeth or tie their shoes in adulthood.
Why would learning spiritual habits be any different?
Teaching children how to pray and communicate with God at a young age lays a foundation for the rest of their lives.
Read this great blog from WMU on how to begin incorporating prayer into your family routine.
Get the article here: Teaching Children How to Pray