If you are under 6 years old, it is not recommended to buy a package. The package includes =Otaru JR Free Seat Ticket + Otaru Station = Aquarium Round-trip Bus Ticket + Aquarium Ticket. Bus tickets under 6 years old and aquarium tickets can be bought at the Central Bus Station in Otaru. After leaving the JR Otaru Station, turn right and you will arrive. Penguin walk belongs to the mini version, a small hillside walk counterclockwise 2 coupons, and Busan Zoo is not a grade, dolphin show time is about 20 minutes.