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.