1. Material This analog display wall clock is crafted from high-quality acrylic material featuring white letters and numbers, perfect for the classroom or office. 2. Special Design The black clock face resembles a chalkboard, with each math equation appearing as if written in white chalk. Instead of traditional numbers, this wall clock showcases a unique equation for each hour. 3. Funny Mathematical As the clock ticks, the hands move around the dial, indicating the time through a different math problem for each hour. This distinctive wall clock provides a fun and engaging brain workout. 4. Fashion Decoration A stylish decoration for any wall, particularly suitable for classrooms, offices, and studies, and a wonderful gift option for friends or their children. 5. Application Perfect for budding math enthusiasts or anyone seeking a unique timepiece. Suitable for classrooms, study areas, living rooms, children's bedrooms, and offices.