We created a Quiz AR (Web AR) for the Tomioka Silk Mill, a World Heritage Site in Tomioka City, Gunma Prefecture. We also created Meta Spark (SNS AR) as a prize for the quiz. The event was titled "Take the Quiz! Aim to Become a Tomioka Silk Mill Master!" and involved quizzing the venue. The second AR Quiz Rally at the Tomioka Silk Mill, a World Heritage Site, was held