A teaching style that developed from. The lecture on behavior or Behavioral Approach and intellectual excellence or Cognitive Approach due to the influence of the change in era. "Computing" and communicative boundless Boundless realm of communication. Knowledge from all over the world poured into the device at all easy to find. Such as mobile phones, so everyone can learn on their own. And to keep each other out The Science Department of white substance and information that flow into it. Enormous excess "Teachers" will be held And to convey to the old model, the teacher must "change the teaching role Changing role of teaching." And "Students just need to change the way students Students also learn how to Learn" to be learned from the experience with Learning from. the experience themselves and to experience in person, it shall do is called Learning by Doing a technical terminology that. "Child-centered or Child Centered or Learner Centered" which is based on the theory of learning. Constructivist Theory or Theory to create the knowledge themselves Create knowledge themselves. This is 21st century learning.