From what age can children climb in the Indoor Rope Park?

Children can climb from a height of 120 cm and have access to three of the five courses. From 140 cm all courses are open. Children under 12 must be supervised by an adult. Under 18, written parental consent is required. Price for children under 16: CHF 29. School groups of 10 or more pay CHF 19 (child) or CHF 29 (adult).