The document discusses audiovisual technologies that are effective for presentations in pre-kindergarten classrooms. It identifies technologies like cassette recorders, CD players, and internet audio that can be used to engage young learners auditorily. Non-projected visuals like bulletin boards, posters, and real objects are recommended to encourage interaction. Projected technologies such as video cameras, overhead projectors and digital projectors can fully engage learners and remind them of past activities when used appropriately for young children. The document emphasizes choosing technologies personalized to the classroom and involving multisensory, interactive activities to best support learning at this age.