High school students build drug-reminder gadgetーNHK WORLD-JAPAN NEWS NSKWorldJAPAN 0 13 10.04 23:00 https://www.youtube.com/watch?v=iXg_CUyUc08 + 2 https://www.youtube.com/feeds/videos.xml?channel_id=UCSPEjw8F2nQDtmUKP… + 2 High school students build drug-reminder gadgetーNHK WORLD-JAPAN NEWS