Acrylic Silent Wall Clock Mathematical Formula for Classroom Home Office

Product Description:
This is a unique and creative Mathematical Formula Wall Clock made from acrylic. As the clock ticks, the hands move around the dial indicating the time of day through a different math problem for each hour. It is perfect for anyone who works with numbers and enjoys a challenging brain exercise! Only one AA battery (not included) is required for this clock, energy-saving.
Such a special wall clock can be a good gift for teachers, friends; or can be perfect decor for home, classroom, office, etc.!

Main Features:
- The matte black powder coated with white letters and numbers, compose different math problem for each hour, making it unique and creative to keep track of time
- Low noise design, silent sweep gives you a quiet environment
- Large screen with large numbers, easy to read the time
- Superior moment keeps accurate time
- Comes with hook design, easy to install
- Made from acrylic, lightweight and durable
- Works with just 1 AA battery (not included), low power consumption

Specification:
- Main material: acrylic
- Powered by: 1 x AA battery (not included)
- Dimension: 295 x 295 x 25mm

Note: the clock is unframed, and there is no glass cover on the clock.