65. Bonsai Sculpture. The best unique yet creative hobby for plant lovers. 66. Hand Lettering. Hand lettering and calligraphy are both super impressive hobbies. 67. Origami. You can make all sorts of impressive objects and animals with the art of paper folding. The Common App Activities section, along with the Common App essay, letters of recommendation, and supplemental college essays, form a critical part of the “non-quantitative” portion of your application.In the Activities section, you get the chance to describe the breadth of your extracurricular life and meaningful experiences that made you a great applicant for your.