The Smart Stick

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The Smart Stick is a handy tool for measuring inches and can be used to get a sense of things around you. It's a big help for people who are blind or visually impaired, allowing them to measure different objects with ease in math class. To take a measurement, simply place the object next to the ruler and use the 1 inch bumps as a guide to find the length. Plus, it can also come in handy when trying to draw straight lines.