Free for kids and parents to explore, this app lets kids understand the science of the body and the natural world around them. It's made for ages 3 to 9 and designed to complement the free book. Kids can explore the interactive body model and learn through their own exploration of the app.

Children can easily learn about the different organ systems of the body. They can study the bones, muscles, and internal organs and discover how they work. This intuitive and user-friendly app is available in 50 language options.