Introduce your child to the world of numbers and counting with this Amazon Black Friday Mystery Board Book Set. Each book in the set focuses on a different number, and the pages are filled with colorful illustrations and interactive elements. As your child turns the pages, they will discover the mystery number and learn to count along the way. This set is designed to make learning fun and engaging, and the sturdy board book pages are perfect for little hands. Whether it's counting apples, cars, or animals, this mystery board book set will help your child develop their numeracy skills while having a great time.