Pen vibrates when the user makes a mistake

Pen vibrates when the user makes a mistake

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The Bruynzeel My Grip pen may have been designed for kids by kids themselves, but it seems safe to say it lacks at least one feature that most schoolchildren would surely value. Imagine a pen that alerts the user as soon as they’ve made a mistake, and you’ve essentially got the Lernstift, a new innovation from an Austrian startup by the same name.