designer's own words:Many people enjoy leisure activities. This bicycle is focused on the people who ride a bicycle around the Han River. People can set this bicycle on the boat and enjoy riding on the water. Other bicycle also can be sat on this boat. We can lend this boat by the Han River so many people can use it very easily and conveniently. When you want to use this activity, you need to place your bicycle on this boat and connect the pedal of your bicycle and holder which is placed on this boat. When you pedal, this is started to move and when you make a turn using bicycle handle, the boat is also moved by your action too.