Check the listing for details. Math Wall Clock Algebra Equations Mathematic Hour Minute Watch Home Decor Gift. Color: Black, Condition: New. Listed at 23.31 USD. Math Wall Clock Algebra Equations Mathematic Hour Minute Watch Home Decor GiftFree Fast Shipping Modern Design: Made of black/green MDF wooden clock face and white numbers, each hour marked by a simple math equations,a unique and fun way to track time. Metal hour and minute hands, no frames ,no glass,12 inches in diameter .Silent Mechanism: Non-ticking accurate quartz movement, which ensure a silent environment for your sleeping and working without any ticking sounds. Enjoy a quiet environment.Easy to Use: Simple design and it is easy to use, including 1 Hook, it is for hang, powered by 1AA Carbon Zinc battery ( Not Include).Not Just a Clock: Not only a time keeper, this clock functions as a fun wall decor piece, it is suitable for classroom,study room,kids room,dining room,bedroom,office decor, it can also be used as a nice gift to math teacher/college professors,students,math enthusiast,engineer,accountant or anyone else who works with numbers.After-Service: If you have any question about our product, please contact us in any time, we will help you. Math Wall Clock Algebra Equations Mathematic Hour Minute Watch Home Decor Gift