Some popular gift ideas for 16-year-olds include: fashion accessories, such as a nice pair of sunglasses or a statement necklace, electronics, such as a new smartphone or tablet, personal care products, such as skincare or haircare, experiences, such as concert tickets or a spa day, hobby-related gifts, such as art supplies or sports equipment, and anything related to their interests, such as a book on a topic they're passionate about or a ticket to a show they've been wanting to see.