Due to COVID-19, children have not been able to go to school and move enough since March 2020. In this process, the measures taken such as the prolongation of the stay at home, social isolation, and quarantine caused children to delay their physical activities and stay away from these activities. As a result, this may have caused weakness in the musculoskeletal system of the children. Therefore, children can be given simple and applicable core exercises to increase their trunk-muscle endurance and improve mobility and flexibility, in online education at home or in physical education classes at school. These exercise drills will be beneficial for protecting children's health, preventing injuries, and strengthening the core. Moreover, many of these drills do not require any extra equipment. In conclusion, the purpose of this article is to provide practical ideas about how to apply core training exercises for children at home.