Educational Insights No Yell Bell Classroom Attention Getter Save your voice and get your students' (or kids'!) attention with our handy electronic bell! Loud enough for a noisy classroom, on the playground, or ANYWHERE you need to be heard. Also great for signaling the beginning or end of an activity! Includes 7 fun sound effects: a bugle call, space alert, applause, 2 alarm clock sounds, twinkle chimes, and yes, a clanging hand bell. Features a volume dial and a powerful, high-quality speaker that projects sound across a room. Requires 4 AAA batteries (not included).