"Dinoosh is a handwashing tool designed to support hygiene habit-building in young children through tactile and visual interaction. The project by Tejas Vashishtha and Aarya Ghule adopts a character-based form, a dinosaur paw, to create a familiar object that integrates seamlessly into daily routines. Its design aims to shift handwashing from an externally prompted activity to a self-directed practice by embedding cues directly into the product's geometry and material behavior."
"A thermochromic color-change system offers a built-in 20-second timing cue. As the child rubs their hands and the material warms slightly, the soap transitions to a different color, indicating when washing is sufficiently thorough. This visual feedback reduces the need for external reminders and supports consistent habit formation. The design process incorporated research in child ergonomics, behavioral psychology, and safe-use material selection. Early sketch studies explored the integration of a character-like silhouette with functional washing requirements."
Dinoosh combines a character-based dinosaur paw form with functional features to encourage children to wash hands independently. The soft, ergonomic body fits a child’s hand and dispenses gel from a paw-shaped imprint when squeezed. Surface textures and finger spacing guide rubbing motions and target commonly missed areas, while ridges provide a stable grip during scrubbing. A thermochromic color-change system signals a 20-second wash by changing color as the material warms, supplying intuitive visual feedback without electronics. The main body uses HDPE blow molding for light durability, with injection-molded elements and an easy-to-open flip lid protecting the soap.
Read at designboom | architecture & design magazine
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