Read the book Balancing Act by Ellen Stoll Walsh or listen to the book here: https://www.youtube.com/watch?v=AJBkvPZWuCw Tap Move the pictures on each page to show which is lighter and which is heavier. Can you build your own balance? What can you weigh? Take a picture and use the to tell which is heavier and which is lighter. Tap when you have completed all the pages.