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DCI Graph Paper Pop Quiz Wall Clock
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
Measures 11-1/2-inch diameter
Requires 1 aa battery (not included)
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.