With the fischertechnik E-Tronic electronics construction kit from the Profi line, teenagers aged 9 and over discover the basics of electronics. The set contains 340 components that can be used to build 16 different models, such as a garage with control system or an alternating flasher. A central E-Tronic module offers 16 fixed programs for a variety of circuits. The construction kit is supplemented by components such as a motor, LEDs, transistors, and a touch sensor. Accompanying didactic information is available online via the associated eLearning portal to deepen the understanding of simple and complex electrical circuits.