6 years old
Quidditch, the popular Wizarding sport played on brooms, is always a fun game for your guests to participate in at any Potter gathering. It is a physical game, and requires some room to maneuver in. This is an option to consider for larger groups especially.
Quidditch, the wizarding game played on brooms is a game we Muggles can now play. There are a variety of versions of this game, and you can always have Quidditch practice as well, but do watch out for those bludgers.