Wooden Gear Perpetual Calendar

This calendar modeling simple, reusable, stylish green products, using wood &brass , brass pinion and wooden main gear combined with simple and straightforward; scroll small gears, drive the gear date.
Materials: wooden&brass;
Warm tips: This product uses the natural wooden, inevitably color shading, scarring, mineral veins (black line), texture strange characteristics, cannot be avoided.
The types of the can are shipped at random.