About Dot to Dot 1 to 20: Join the dots in large, clear, numerical sequence from one to ten to reveal the picture. Color the picture to complete the activity. Features 24 different pictures. For ages 4 to 7.About Buki books: Children love these easy to follow coloring, dot to dot, and find hidden picture books! Come in a variety of styles. Large pictures for little hands. Help your child's creativity flow while they're learning numbers, colors, shapes, and more!