This study aims to (1) determine the development of Ocean media in improving the numeracy skills of children aged 5-6 years in Mutiara Bunda Kindergarten, Sabak Auh sub-district, Siak district, (2) To determine the feasibility of Ocean media in improving the numeracy skills of children aged 5-6 years in Mutiara Bunda Kindergarten, Sabak Auh sub-district, Siak district, (3) knowing the assessmen…