A book that teaches you numbers in the most fun way! Learn to write from 1 to 20 and practice with the easily erasable marker! First, follow the arrows with your finger in the direction of the numbers and then start writing them. Each number is accompanied by cheerful images and activities that make learning even more fun. You can also stand the book upright to better observe what you have written. And don't forget that you can erase and write as many times as you want!