This
Pop Quiz Wall Clock gives you a pop quiz whenever you look at the time! With analytical mathematical equations at each number space, this math clock is a treat for anyone who loves numbers and problem solving. Surface is matte black powder-coated metal; equations are white; second hand is bright red. Stylish and funny, this math clock makes a great gift for braniacs who will want to adorn their room with such an innovative wall clock. Diameter 11.5".
Availability:This Pop Quiz Math Wall Clock takes approximately 1 business day to leave the warehouse plus transit time.