The best/A wonderful idea for an excursion for families with children is exploring/experiencing one of the largest mercury mines in the world. A new interactive path leads visitors into the extraordinary world of the Idrija mine with the help of a mine map and special tasks. Through observations, experiences, feelings and discoveries, children learn about the mysterious world of mercury and various mining professions. By solving exercises, they find the mine treasure that still lies hidden in the depths of the mine.