Pop Quiz Wall Clock

This Pop Quiz Wall Clock will allow all the Calculus nerds to openly express their nerdacity while the rest of us will feel really dumb remember why we didn’t care about math in the first place. But it would be neat if we could change the math problems to addition and subtraction. There’s no word on availability, but you can be sure these mind-numbing clocks will eventually show up in math classrooms across the globe.

Info: idr