It is ideal for use by babies between 6 and 36 months of age. It is lightweight, so kids can move it easily. The Fisher-Price Go Baby Go Poppity Pop Musical Dino operates on three C batteries, which are sold separately.Fisher-Price Go Baby Go Poppity Pop Dino:Age range: 6-36 monthsFisher-Price baby toy plays 8 fun tunes and makes silly sound effectsHas balls that pop out and encourage baby to catch themPoppity Pop Musical Dino requires three C batteries, which are sold separatelyPromotes hand-eye coordinationEncourages little ones to grab, crawl and stay activeProvides a fun option for learning about cause and effect