Learning Resources Recordable Answre Buzzers Set, 4Pcs, Ast (LRN3769) Pack of 4Recordable answer buzzers will bring excitement to any classroom. Recordable design allows you to record up to seven seconds of your voice, sounds, music or a message of your choice. Easy to use buzzers provide a fun way for children to stay actively engaged throughout your lessons. Wireless construction allows your students to sit anywhere they'd like during use. Answer buzzers are designed for children ages 3 and up. General Information