Take a trip with Ace and Kat in this interactive storybook set from Hot Dots® Jr. This set includes four interactive preschool adventure books feature "Ace" - the talking, teaching dog and "Kat" - the talking, teaching kitty in fun-filled adventures. Read along with the stories and use the included Ace pen to respond to 11 activities practicing basic preschool skills including letters, numbers, counting, shapes, colors, alphabet, beginning phonics, patterns, sequencing, and more.Details:9.1" x 8.3" x 2.2" box size11 interactive activitiesPen talks, lights up, shakes and gigglesRequires 2 AAA batteries (sold separately)For ages 3 through 6Contents:4 story books1 talking pen