Gravity Falls Pens for Kids - 3 Pc Ballpoint Pens Gift Bundle Office Supplies Featuring Dipper, Mabel, Grunkle Stan Plus Stickers, Door Hanger | Gravity Falls School Supplies Set. This Gravity Falls pen gift set includes 3 pens with rubber toppers of your favorite characters Dipper, Mabel, and Grunkle Stan. Set includes 1 of each character. This Gravity Falls pen bundle is great to use as a gift set for men and women; boys and girls alike. These ballpoint pens are great to use at home, in the office, or at school. Sure to be a hit with all Gravity Falls fans, these pens are perfect to pass out as Gravity Falls party favors or at any other Gravity Falls themed party. Officially licensed Gravity Falls 3 pack of pens is perfect to use as part of a gift set, party favors and party supplies. Set also includes stickers and a door hanger.