Press the three colorful buttons to hear cheerful songs, melodies and cute sound effects Encourage interaction and help develop fine motor skills with this adorable set of baby keys The bear key is a soft teethable material to stimulate your baby's gums Shake the keys to trigger a variety of playful sounds and phrases; features more than 50 songs, melodies, sounds and phrases Intended for ages Birth+; requires 3 LR44 button cell batteries; batteries included for demo purposes only; new batteries recommended for regular use