This book contains a story for which children will create the diagram like the diagram of an algorithm or a computer program. By doing this, children will learn to transpose real events into an algorithm and they will develop their analytical thinking. And without even noticing, they will learn the main control structures of a program: sequences, decisions and loops.

Children will learn to create a visual schema of the story by following the instructions and using the cards provided in the book.

The story is about Jolly who is an ambitious horse that has a wish. He has to take on challenges and follow his heart. Jolly will have to work hard and make decisions. Will Jolly’s dream come true?

The book teaches basic concepts of algorithms to children from 5 to 12 years old.