Interactive activities are ideal for this situation. Escape rooms have become very popular among teenagers because they combine games, puzzles, and quest elements. You don't need to come up with a scenario yourself — everything is already thought out, and the staff helps organize the group. For example, at
https://boxroom.com/ , you can choose different themes, tailor the game to the age of the participants, and even hold a private event to make the birthday special. After such a game, all teenagers will be delighted, and parents can be sure that it is a safe and sensible way to spend time.