Brace yourself for one of the shrillest, most annoying sounds in the world with this miniature chalkboard that's ready to be scratched. - Iconic Sound: Recreate the ear-splitting, hair-raising scratching sound we all dread - Fun Size Terror: Includes a 3 inch replica of a chalkboard and miniature hand - Full-Color Stickers: Includes five stickers to decorate and personalize your chalkboard - Book Included: An illustrated, 32-page book exploring word aversion and why some sounds bother us - Perfect gift: Humorous gag gift, stocking stuffer, or teacher appreciation gift Includes button cell battery.