Peaceable Kingdom My Pony 6.25" Lock and Key, Lined Page Diary for Kids Encourage the girl in your life to let her thoughts and feelings flow with this fabulous horse diary. Each page is lined and ready for daily journaling and expression. This cool diary even has a lock and key to ensure privacy. Every girl needs a secret diary, so why not make one little girl's dreams come true today? Hardcover book measures 5.5 x 6.5.