CoComelon JJ Learning Doll Interactive Lights Sounds Music Tested Working CoComelon JJ Learning Doll interactive toddler toy. Tested and working. Lights, sounds and music work as they should. A video is included in the listing showing the doll working. Pre-owned and shows some normal play wear, including marks/scuffs and some staining. Please see all photos for the exact condition. Includes the JJ doll with attached learning toy as pictured. Sold exactly as shown. #cocomelon #jjlearningdoll #learningtoys #cocomelontoys #musictoy