Explore the city with family or friends, let our application guide you! Discover its buildings, its history, its legends and its secrets. Play together! Take quizzes and observation challenges. Your answers will unlock 6 surprises from the backpack, local objects and products selected in collaboration with Alsatian artisans! PRICE PER GROUP! Share 1 pack containing 6 surprises. All group members can download the application. Totally FLEXIBLE: take a break when you feel like it (museums, restaurants, shopping...) then continue exploring! Take the tour whenever you want! The pack is to be picked up at the tourist office, open every day: 7 days/7 from 9am to 7pm (counter on the left inside) Audioguide included! Read the texts or listen to the audio commentary. Offline mode included! Take the tour without internet connection after unlocking the application with your email and password. It is possible to download the audio commentaries before the tour so that they are available without internet access in the city. You will receive the password to the app by email (via Viator/Tripadvisor), and by Whatsapp. The tour is compatible with Christmas markets! (To get several backpacks, please make several bookings) A cultural, innovative and fun experience!