VTech Baby On-The-Moove Activity Bar Press the cow's button on the On-the-Moove Activity Bar to hear cheerful phrases and playful songs and melodies; 45+ songs, melodies, sounds and phrases Swing the cow back and forth to activate the motion sensor and hear interesting sounds The bird holds a textured ring that's easy to grab to build motor skills; ladybug's baby-safe mirror helps to build self-awareness with peek-a-boo fun Take-along toy easily attaches to most infant carriers using the included adjustable elastic straps Requires 2 AAA batteries (batteries included for demo purposes only; new batteries recommended for regular use); intended for babies from birth to 3 years