Packed in sets of 20 and are available in English and Spanish. This CASLLS is designed for children with no words. It allows the professional to monitor the progress of pre-verbal behaviors typical for development at 0 – 12 months. Behaviors/language monitored on this CASLLS include: cognition/play, listening, social interaction, emerging meaning, and vocal expression. Also included are onomatopoeia suggestions for adult use and stereotypic phrases for adult modeling.