6 x 8 case-bound book contains 15 spreads, 32 pages. Microphone module has 4 sound buttons and a stop button on a microphone module. Product age grade: 3+ years. Content age grade: 18 months +. Songs includes 50 classic children´s songs, such as "Old MacDonald," "Farmer in the Dell," "For He´s a Jolly Good Fellow," "Pat-a-Cake," and many more.