This study was aimed at developing a feasible magazine based on the guided inquiry for 5th-grade elementary schools. The development procedure adopted was the Hannafin and Peck model which involves needs assessment, design, development, evaluation, and revision. Data were collected through the use of questionnaires and tests. It analyzed using descriptive statistics and interactive qualitative analysis. This research produced science magazines which are feasible to be used as instructional media towards overcoming learning difficulties and enhancing students‘ understanding.