peaceable kingdom keep out 6.25" lock and key, lined page diary for kids peaceable kingdom let kids dream with a diary! a journal with a fun design and a lock and key is just what a kid needs to express themselves. children can include whatever they want in their journal, whether it be their private thoughts, aspirations, doodles, camp autographs, or photos. the possibilities are endless! when their diary is full, kids can lock their diary away and save their precious memories.