FIN membership gives you a full year of family adventures, field science experiences and memories that will last a lifetime. Once you become a member you will have access to the main calendar with over 100 activities to choose from. The calendar is password protected for your family's safety. You can register for these activities once you are logged in. If you are joining a particular group, it may take up to 48 hours to be added to the group provided there is space. Waiting lists available.