Kankoh-maru is a type of traditional Japanese ship. It was used by Japan's royal family in the past, and was the most popular kind of ship during the Edo period (1603 to 1868). The Kankoh-maru was very large, with a length of about 750 feet and a width of 315 feet. It had two masts and two big sails, and could carry up to 1,000 people. It was a beautiful ship, with bright colors and decorations that made it stand out. The Kankoh-maru was a symbol of Japan's power, and showed that Japan was a strong and important country.