The calendar has options to view and filter what's on. You can sync the calendar to your personal calendar. Click for help –>
The selector on the top left moves around the months
The drop down on the top right selects different views - play around with it to see what the options do.
The Categories drop down lets you select one or more categories to 'filter' the calendar. Click the little x to clear the list.
On the bottom right of the calendar is the Subscribe drop down which lets you synchronise this calendar with your PC, smartphone etc. As indicated you can choose to just synchronize a filtered subset of the calendar (eg just Tiddlywinks and Songs & Rhymes)