The gang over at Waterloo Labs decided to add a team-building aspect to a plain old Etch a Sketch. Instead of just twisting the two knobs with your own mitts, they’re converting this giant ...

Unless you’re some incredibly gifted individual with more dexterity than a fighter jet pilot, making anything on a Etch-a-Sketch is hard. So [Evan] decided to motorize it, and cheat a little bit.

Inside the Etch-A-Sketch was a thin layer of aluminum powder. The knobs controlled a stylus that scraped away the powder to reveal lines, while shaking it redistributed the powder to “erase ...