Boku no Natsuyasumi (My Summer Vacation) is a Japanese game for the PlayStation. The game involves a boy's summer vacation on his aunt and uncle's farm in the wide-open countryside of Hokkaidō. His activities include catching a large variety of insects, a popular pastime in Japan. Various side games are shown in the game's trailers and commercials, including sliding down a hill on a piece of a cardboard. Source: Wikipedia, "Boku no Natsuyasumi", available under the CC-BY-SA License.