CHILDREN'S ACADEMY SUMMER ERASE SERIES-LINE WORKS The Line Works Book prepared for children aged 2-4 consists of 24 pages. It is a gift in Write-Shake. Your child can draw and erase the activities in the book over and over again. It is suitable for long-term use. Because book pages do not tear or deform easily. The book contains 24 types of line drawings prepared under the supervision of an Expert Psychologist and Child Developmentist. While your child has fun with these activities, his manual skills develop. In addition, books prepare children to read and write by improving their coordination skills.