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One such innovation is the SoaPen, a playful yet practical device designed initially before the pandemic to combat a much older health threat: diarrhea. Developed by Indian-born entrepreneurs Amanat and Shubham, the SoaPen is a pen-shaped object infused with soap that children can draw on their hands, arms, or everyday objects. After drawing, kids rinse off the soap, making handwashing a game rather than a chore.