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Late childhood development is a continuation of early childhood. This period lasts from the age of 6 until the child becomes sexually mature. The beginning of late childhood is marked by the child's entry into the first grade of elementary school which is an important event for the child that can lead to changes in attitudes, values and behavior. In education, it can be adjusted by compiling materials, methods, facilities, and tools that are in accordance with the situation and conditions of the students. For parents, the growth and development of children and the service model will be known so that children can undergo developmental tasks and adapt to their environment well. The purpose of the analysis is to identify the characteristics of the end of childhood, analyze the developmental tasks of the end of childhood, and identify physical development at the end of childhood. Using the literature study method with an approach that involves analyzing relevant literature or information sources. In conclusion, the characteristics of development in late childhood, namely: a. Emotional development such as heightened emotions, the beginning of emotional catharsis, forming gangs of children; b. Game patterns such as exploring, constructive play, watching TV; c. Common offenses often occur such as fighting with siblings, shirking responsibilities, telling false lies. Physical development in late childhood includes: Height and weight, Motor development, Body ratio, Simplicity, Muscle-fat ratio, Teeth.

Abstract. The baby's social emotional development must be a parent's main goal, because if social emotional development does not go well it will affect and hinder other developments such as psychomotor, emotional and other baby development. This research uses a method called critical review, which involves careful examination and evaluation of various sources of information, such as scientific journals, articles, and other media. The main goal of this approach is to improve readers' comprehension and interpretation skills in the field of early childhood development. Infancy is a time of rapid growth and change, infancy is a time of reduced dependency. The developmental tasks of infancy throughout the life span are, learning to eat solid food, learning to walk, learning to talk, learning to control the elimination of body waste, learning sexual differences and procedures, preparing to read, and learning to distinguish right from wrong, and starting to develop conscience. The development of patterns in the changes experienced by individuals since they were still in the womb over a certain life span, namely, weight, height, physical proportions, bones, muscles and fat, body shape, teeth, nervous system, and development of the sense organs. The psychological function of infancy is the period of formation of fundamental psychological patterns for eating, sleeping, and toileting, although the formation of these habits may not be complete by the end of infancy.

Physical growth is the process of change that occurs in the size, shape and structure of an individual's body as they age. In the context of education, understanding physical growth is very important as it can affect the learning process and overall development of learners. In essence, growth emphasises the physical changes of each child. At this time they need balanced nutrition, so that physical growth can be in accordance with the stages that should be. Growth is expected to be in accordance with the developmental tasks that must be passed. This study uses a survey approach research method which is part of a quantitative approach, with observation, interview, questionnaire filling, and documentation techniques. The research subjects were principals, teachers, parents, and students. The results showed that there are differences in how to educate children in the past era with the current one, and also in accordance with what we read in journals and books that are the reference of this research.

Growth and development is a continuous process that occurs from conception and continues until adulthood. The pre-school period is a golden age where stimulation of all aspects of development plays an important role in subsequent developmental tasks, where 80% of children's cognitive development has been achieved at pre-school age. However, in reality there are still many parents who do not understand the importance of screening and stimulating growth and development in children. Screening is carried out to detect irregularities early so that it will be easier to overcome them. Currently, the KPSP Pro application is available, which can be accessed via smartphone, which can be used by parents to carry out independent developmental screening of their respective children. The problems currently faced by partners are the minimal knowledge of parents regarding screening and stimulating growth and development in children, the lack of utilization of the facilities that are already available for conducting screening, many parents who are not open to technology, and do not understand how to access and use applications. KPSP Pro is also unable to utilize information from screening results. The solutions offered to partners are: conducting seminars for teachers and parents regarding the importance of screening and stimulating growth and development in children, informing regarding the availability of the KPSP Pro application, teaching how to access/download the KPSP Pro application, conducting roleplays, carrying out development screening using KPSP Pro and provide an understanding regarding the use of screening results. The results of this activity showed an increase in mothers' knowledge about developmental screening of preschool-age children.

Delayed motor development in children means that motor development has not been developed as it should be, at the child's age, which results in the child not being able to carry out developmental tasks appropriate to his age group. Delayed motor development in children, some of which can be controlled and some of which cannot. This delay is often caused by the child's lack of opportunity to learn motor skills, excessive parental protection, or the child's lack of motivation to learn them. This research was carried out at the Parsoburan Community Health Center, Siantar Marihat District, Pematang Siantar City with a sample size of 53 respondents. After conducting research on the relationship between mothers' knowledge about the growth and development of toddlers and gross motor development aged 1-2 years in the work area of ??the Parsoburan Health Center, Siantar Marihat District, Pematang Siantar City in 2023, it can be concluded that there is a relationship between mothers' knowledge about the growth and development of toddlers and gross motor development at age. 1-2 Years in the Working Area of ??the Parsoburan Health Center, Siantar Marihat District, Pematang Siantar City in 2023