2024 TOP! Math Wall Clock , Formulas Quiz in Black and White Unique Equation for Home, Office

It can improve brain exercise and help you maintain vitality when you see the clock . It's also the perfect office clock for an , mathematician, or anyone who works with numbers.
Name: Wall Clock
Material: acrylic
Color: Black
Power supply: 1 x AA battery (not included).
Diameter: . 30 cm.

Package Contents:1pcs x wall clock

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.