Dating as far back as 221 BC, in the Qin dynasty, people have been using compasses to help find their way. Originally the Chinese used a lodestone compass to tell fortunes, and later developed the luopan for Fung Shui. By the 11th century, they were being used for navigation. Even today, we still look to the compass rose to find our true north. Dimensions: 2.5 X 2 X 0.75 (HxLxW)