The use of gadgets among adolescents has increased significantly and can have both positive and negative impacts on their health, behavior, and social activities. Limited knowledge regarding healthy gadget use may lead to various problems, including impaired learning concentration, reduced social interaction, sleep disturbances, and gadget addiction. Health education efforts are therefore needed to improve adolescents’ understanding of the impacts of gadget use, one of which can be implemented through interactive and engaging learning media, such as an educational Snakes and Ladders game. This community service activity aimed to improve adolescents’ knowledge of the impacts of gadget use at SMAN 11 Pandeglang. The results showed an increase in the mean scores of students’ knowledge and attitudes regarding the adverse effects of excessive gadget use following education delivered through the Snakes and Ladders media. The educational Snakes and Ladders game was considered effective because it increased student participation and learning interest while improving their understanding of the positive and negative impacts of gadget use. Therefore, the Snakes and Ladders game can serve as an alternative health promotion medium in school settings to improve adolescents’ knowledge regarding healthy and responsible gadget use.
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