You can buy and sell preschool days with this calendar.
Public URL to the “MVLP-Buy & Sell Days” calendar: https://calendar.google.com/calendar/embed?src=2tnr3vdica9a3g20dg54v81d28%40group.calendar.google.com&ctz=America%2FDenver
Public address in iCal Format (Not commonly used): https://calendar.google.com/calendar/ical/2tnr3vdica9a3g20dg54v81d28%40group.calendar.google.com/public/basic.ics