“…This is usually done using posters, leaflets, games, and videos [9,10,13], see also: [5]. While such approaches have shown effective in raising awareness and in improving handwashing practice, they are less effective in persuading and motivating children; they are difficult to implement in school settings especially with primary school children; and often require supervision by adults (teachers or teaching assistants) [38]. The HCIcommunity has taken a rising interest in exploring more technical, interactive and persuasive solutions to promote hand hygiene (among children) -each taking their own unique approach, for example: [4,6,13,30,32].…”