DescriptionAs the clock ticks, the hands move around the dial indicating the time of day through a different math problem for each hour. A unique and creative way to keep track of time. This clock is a fun and challenging brain exercise. It also can be a refrigerator magnet sticker. The perfect gift for teachers, students, engineers and accountants or anyone who works with numbers.Feature- Color: Black. - Material: Plastic and magnet. - Diameter: About 8.3cm. - Modern style, it can match with different decoration style. Wonderful gift choice for families and friends. - Instead of Roman numerals or traditional numbers, this clock has a different equation at each demarcation - A unique and creative way to keep track of time. It also can be a refrigerator magnet sticker. - The perfect gift for teachers, students, engineers and accountants or anyone who works with numbers.
