Ethan and Kai, 3 years, work for 7.5 minutes to complete a large puzzle of a fire truck. The pieces are large enough for the boys to see printed on the piece most of a recognizable part of the fire truck, such as half of a tire, most of a window.
When children are very young, say in the first year of life, we can see patterns in their behavior. We give these early patterns the status of a routine or a habit. We say "Boo", and they smile. They see a string hanging from the