“Big Numbers for Kids" is an interactive book that helps children to learn about big numbers like thousand, million, billion and so on. 

How to use this book:

1. Open the book

2. See the number

3. Touch the picture --> you will hear the sound

5. Touch the pencil icon --> you will see the text (see the screenshot) 

The design of this book helps readers to focus on what they see & hear and allows them to recognize and pronounce the big numbers.