With the will of Allah Almighty discussing the thesis presented by the researcher/Ahmed Abdel-Aal Abdelnaeem Adam, resident in the Department of Curricula and teaching physical education at the Faculty of Physical Education, titled "Building a Battery selection to measure the performance level of the 9-12 years in volleyball" and that day Monday 18/2/2019 PM at 1 o'clock in the Hall Dr./Mohamed Ra'fat Mahmoud in the college