| NAME | Hiroyuki Tanaka |
|---|---|
| AGE | 14 |
| PRIZE | The Prize of the Minister of Economy, Trade and Industry |
| COMMENTARY | This steamship that cleans the sea is in the shape of a whale, and seems to be alive. It removes trash and pollutants from seas and rivers. It is powered by water and patrols on the water night and day. It is popular wherever it goes. |