Test your knowledge when telling time. With analytical mathematical equations at each number space, this clock keeps your math skills sharp. White powder coated metal with graph paper pattern background and math equations that look like they were written in pencil. The perfect gift for your favorite braniac.
Product Features
Work out the mathematical equations to determine the hour
White powder coated metal with a graph paper pattern background
Easy-to-hang with "keyhole" opening on the back of the clock
