The Usborne Little curious collection is well designed, it allows children to learn and learn in a fun way. In this volume we familiarize ourselves with the human body and how it works with over 100 with flaps open to discover a wealth of interesting information all over each other. What is very nice are the flaps under the flaps, it does not stop and it's great fun for children. It's colorful, attractive and very complete. Very happy with my purchase.