The Muni is a lighter, activity-led stop for travellers who want a break from conventional sightseeing. It is most useful for families, groups, or anyone building a day around entertainment rather than monuments. It is a little away from the tight centre, but still close enough to fold into a half-day plan if the subject interests you.
Check prices, opening season, and booking requirements before you commit. These places can be excellent on the right day and skippable on the wrong one, so treat it as an option to fit your mood, weather, and available transport.