Hi cthompsonccp,You can use the days as you want, either consecutive or non-consecutive. More about the Swiss Flexi Pass can be found on our website here, and specifically for Australia here.
All you need to know about traveling by train, bus or car in Switzerland.
Hand picked Swiss hotels and other accommodations are right here.
Swiss Travel Pass promotion: 30% discountAvailable until 31 October 2022. Book 6 months ahead.https://shop.switzerlandtravelcentre.com/swisstravelpass