This complete set includes 12 board books with colorful artwork based on adorable Christmas stories about Reindeer, Cookies, Ice Skating, Snowmen, Notes for Santa, Holiday Stockings and many more. The books are made of sturdy paperboard perfect for little hands and store in a compact case. Parents can download an app to their Apple or Android phone or tablet for another layer of interactive learning and fun. In the app, you'll hear three full-length stories, complete with fun sound effects. 12 books, 10 pages each. Paper. Case: 6 3/4"L x 3 1/4"W x 8 1/2"H. Each book: 3"L x 3"H. Ages 0-5+. Set of 12.