Steamboat's Kids Ski Free program entitles children 12 years of age and under to ski free the same number of days as their parents or grandparents when a parents or grandparents purchase a 5 or more day lift ticket. This offer is on a one-to-one basis with one free child ticket per paid parent or grandparent. Proof of age may be required for 11 or 12 year olds or kids that appear that age. ...