1. A unique way to keep track of time, this wall clock is a funny and challenging brain exercise
2. As the clock , the hands move around the dial indicating the time of day through a different math problem for each hour
3. Instead of traditional numbers, this wall clock has a different equation at each demarcation
4. For home use, the clock will bring a unique modern style to any room
5. A unique idea, a funny present for a math teacher to hang in his or her classroom

Specification:
Description:
It must be a very fashion decorations for the wall, especially for classroom, office and study room as well as a your friends or their kids. It can enhance the brain exercise and will help you keep the when you watch the clock. It's also the office clock for an engineer, a mathematician or anyone else who works with numbers.
Features:
A unique way to keep track of time, this wall clock is a funny and challenging brain exercise.
As the clock , the hands move around the dial indicating the time of day through a different math problem for each hour.
Instead of traditional numbers, this wall clock has a different equation at each demarcation.
For home use, the clock will bring a unique modern style to any room.
A unique idea, a funny present for a math teacher to hang in his or her classroom.
Specification:
Condition: 100% Brand New
Material: Acrylic
Color: Black
Powered Supply: 1 * AA battery(Not Included)
Product Diameter: Approx. 30cm / 11.8"
Package Weight: Approx. 341h
Package Included:
1 * Acrylic Wall Clock
Note:
1. Please allow 1-2 cm error due to manual measurement and make sure you do not mind before ordering.
2. Please understand that colors may exist chromatic aberration as the different placement of pictures.