Pop Quiz Clock
Ideal for every math whiz, child prodigy, or just that friend that always thinks he's the smartest in the group.
This clock features a math problem to solve in place of traditional clock numbers. Instead of reading a boring, 7:00, it will read "52 - x2 + x = 10" The clock background also resembles a chalkboard!
Details: measures 11.5 inches in diameter. Requires one AA battery (not included).
Options Available At Checkout