In terms of color, this pack contains twelve colorful dry erase markers, including two black, two blue, and one in each of the following shades: pink, red, orange, green, light green, light blue ...

But a dry erase marker won’t turn any heads. And this one holds its own little secret. It acts as a master key for hotel room door locks. This is really more of a repackaging hack. The exploit ...

You've definitely used dry-erase markers to mark up a whiteboard in a classroom or at the office—they’re so ubiquitous, ...