Scotrail have a special ticket for the Autumn School Break- the Family Pass.
It is for unlimited travel across Scotland for 7 days for up to 2 adults and 4 children (minimum 1 adult and 1 child) after 0915 on weekdays (any time at weekends)- just £50 for the week.
This is a fantastic bargain, available to anyone.
You can start it on any day between 13 and 20 October. It cannot be purchased on line, only at a station or on train if joining at an unstaffed station.
https://www.scotrail.co.uk/tickets/family-pass?utm_campaign=1822959_October%20Pass&utm_medium=email