The present invention relates to a coilgun type teaching tool for scientific principle education of electromagnetic force which can easily transmit the principles and knowledge of the electromagnetic force to students, and enable the students to study delightly and effectively while concentrating with interests, in which the coilgun type teaching tool comprises: a main support; a pair of supports arranged side by side on the main support; an acceleration rod which comprises a lead switch, a coil bobbin having a coil electrically connected to one end of the lead switch, a supporter for fixing the lead switch, and a launching tube penetrating the supporter so as to be adjacent to the lead switch, and in which a plurality of sets consisting of the lead switch and the coil bobbin are arranged in line along the launching tube; and a power supply module comprising a battery, and a power open and close device electrically connected to one electrode of the battery, wherein one of the lead switch other end and the coils is electrically connected in parallel with the power open and close device and the other one is electrically connected in parallel with the other electrode of the battery.;COPYRIGHT KIPO 2017
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