Carter''s - Soothing Vibrations Bouncer Product Features: Vibration calms and relaxes baby Canopy shields baby''s eyes from bright lights and sun''s harmful rays Padded toy bar with bead rattle paddle wheel and mirror Deluxe padding for added comfort Head support is adjustable and removable Head support is adjustable and removable� Requires 1 "AA" �Battery(not included) Encourages Development In The Following Areas: Motor Development: A simple action from baby creates a soothing rocking motion. Baby will discover cause and effect actions Visual Development: Bright colors and bold graphics hold baby''s attention and are easiest for baby to see Sensory Development: As baby grows he begins to touch and feel everything around him with his hands and mouth. Toys with a variety of textures will help baby more fully explore this sense Auditory Development: The music helps auditory development.Talk and sing to your baby. In addition to bonding with your baby this will help him to develop important language skillsNote: Adult assembly required