Why does the princess receive presents from several young princes when she turns 18?

The princess receives presents from several young princes when she turns 18 as a gesture of admiration and courtship. This age is often seen as a significant milestone in royal traditions, marking her coming of age and eligibility for marriage. The gifts symbolize their intentions and hopes to win her favor, as royal alliances were often formed through such relationships. It highlights the competitive nature of courtship among the princes in their quest for her hand.