Solve Some Time Watch | Mod Retro Vintage Watches

 Solve Some Time Watch | Mod Retro Vintage Watches - Photo 

Have any nerdy friends? This would be a terrific gift for them! I find it hilarious how you have to solve the math problems in order to tell the time.


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  • Kristin93

    's recommendation

    Have any nerdy friends? This would be a terrific gift for them! I find it hilarious how you have to solve the math problems in order to tell the time.

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