This book is for children aged 3+ and above.This book will help the child learn to write and memorize numbers as he can color the numbers as well.The Kids will be happy to use it. Book Properties: 8,5×11 Size . 120 Pages 60 Design One-sided Page Big Numbers Shapes Numbers In Letters Important note: The book contains a page with numbers and a white page to avoid mixing designs, but there are some pages there are two pages white and then two pages to learn and this is not wrong but to give the child a good experience to see the numbers and the way they are written .