Inside the lion there’s a motion sensor, which triggers electronic responses, including songs, melodies, phrases and more when shaken. The light-up heart button plays even more responses for sensory and auditory development. Manipulative features include the twistable mechanical mane and tail, which promote motor skills. The textured teether soothes sore gums. Batteries Included. Suitable for children aged 3–18 months. WARNING: please remove all packaging attachments before giving this product to a child.