At the "Crayon Shin-chan" collaboration event held at Joetsu City Aquarium, you can enjoy solving mysteries set against the backdrop of marine life. Participants will tour the museum with the Kasukabe Defense Force characters to unravel hidden mysteries. During the event, stories about the ecology of marine life and environmental issues are presented, allowing participants to have fun while learning. Each photo spot features characters in original costumes themed after sea creatures, making it perfect for taking Instagram-worthy pictures. Additionally, clearing the mystery-solving challenge rewards participants with original can badges. You'll surely want to collect all types of badges. This event, particularly, allows you to enjoy the world of the Kasukabe Defense Force while experiencing environmental education. Join forces with all participants to solve the mysteries, deepen your learning, and acquire exclusive merchandise available only here!