A children's birthday party was exactly the sort of place where Fool felt at home, more relaxed and content. It knew what the expectations were, and it knew that at least children seemed to appreciate it's talents.
Since it's limited belongings had somehow appeared upon the island, Fool was dressed in one of it's own costumes from the court, and had it's own equipment to hand for surprising and entertaining the children. For now, Fool was simply juggling rather impressively with clubs, ready to greet anyone who arrived.