Teachers generally have a ciriculam to follow however incidental learning can happen beyond simply what is being taught. Educational readiness is important, so younger learners must have physical readiness ( use a pencil on paper for simple designs, able to take care of their own needs i.e. toileting, putting on coat and shoes), Social/emotional ( moderate social skills) Cognitive ( reasonable ability to focus and stay on task for a developmentally reasonable length of time. If a child is really active they need lots of physical activity combined with learning activities. For university students readiness is often called prerequisites.