Talk Bar™ Slide in up to 6 cards and record a 10-second audio message for each! Press to play back. Ideal for sequencing, vocabulary, special needs (augmentative communication) or any subject. Includes 30 blank cards. Measures 4½"L x 21¾"H x ¾"W . Requires 3 AAA batteries, not included. Grades 2+LER 4418