The idea that classic music is good for babies is nothing new. So let’s follow a ditty bird to discover the most beautiful pieces of classical music of four great composers: Beethoven, Mozart, Vivaldi, and Chopin. A ‘sound dot’ on each page allows even the smallest child to turn on/off six much-loved masterpieces: -Fur Elise, Beethoven -The four seasons, spring Vivaldi -Butterfly, Chopin -Ode to Joy, Beethoven -And the little dog waltz, Chopin An interactive musical songbook for baby, toddler, 1-3 years old: read, listen and sing along as ditty bird sings your favorite songs. Educational toy language development: reciting and singing nursery rhymes is a great way to support children's language learning. The engaging electronic push buttons help build early language ability and fine motor skills. Each book requires 3x type ag10 standard batteries. Batteries are included in the book. Product Weight - 0.56pounds.