Nightmare Before Christmas School Set ~ Bundle with Nightmare Before Christmas Pen, Deluxe Bookmark, and Jack Skellington Stickers (Nightmare Before Christmas School Supplies). Nightmare Before Christmas pen features: Black ink; 1.0 mm line; Comfort grip; Jack Skellington projection. Includes (1) premium Nightmare Before Christmas bookmark and (1) sheet of Nightmare Before Christmas stickers, 25 stickers total. This Nightmare Before Christmas gift set is perfect as Nightmare Before Christmas school supplies and office supplies. The perfect addition to any Nightmare Before Christmas pen holder, pencil bag, pencil box, or anything else. Featuring Nightmare Before Christmas character Jack Skellington. Officially licensed Nightmare Before Christmas merchandise is perfect for fans of all ages, kids and adults alike.