Are you ready to face puzzles and logic problems? Do you have the imagination of a writer? The square logic of a mathematician? The creativity of an artist? How quickly and accurately can you make decisions? How confident are you in your abilities?

Harness your persistence, concentration, judgment, and imagination, and embark on this exciting journey! In this book, you will find the topics of the Out of the Box Challenge 4, the fourth student creativity and critical thinking competition for children in the 3rd and 4th grades of primary school and for children in the 5th and 6th grades of primary school, divided by age group.