The Ditty Bird interactive book series includes 11 beautifully illustrated musical and sound books for Babies and Toddlers ages 6 months to 3 years. Language & Cognitive skills: Sing-along songs encourage first words, early vocabulary and​ ​develop​ ​an​ ​appreciation​ ​for​ ​music. Social & Emotional skills: Promotes bonding and helps to build your relationship; one more way to give love and receive love! Physical & Motor skills: Pressing buttons, turning pages and more promote fine and gross motor skills development.