This free event is on for 10 days only starting today so don’t delay. It’s basically an event where you can win awesome prizes for FREE or buy them for 50l if you don’t wanna wait or don’t win. You will need to visit the participating stores and find their treasure chest and say hocus pocus in local. If you don’t win the prize you can try again after 24 hours.
Landmarks are also on the prize preview page, just click any pic to get a slurl to their store.