The goal of the STEM (Science, Technology, Engineering, Mathematics) teaching method is to encourage children, especially of younger school age, to be interested in technical fields. This approach, very popular in the Anglo-Saxon environment, presents the technical sciences in a comprehensible, lively and, above all, fun way, as a space for playful activities and exciting discoveries, and it does so with the help of dynamic graphics and the most modern teaching methods. The books of this new series will convince children that mathematics, technology and science in general are not dry at all, on the contrary!