CUBIC Mathematical chalkboard clock


from Selfridges

A perfect clock for geeks or perhaps an unusual gift for teachers. This quirky clock uses mathematical equations to give you the time. Thankfully you don’t need to be a math genius to work out the time since the answers relate to normal clock face numbers in their usual position. Designed to look like a chalkboard with chalked up equations you can think back in time to sitting in maths class and solving the problems. The stuff of nightmares for many! The Mathematical chalkboard clock is 29.5cm in diameter and requires one AA battery.

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