Do you dream of becoming a mechanical engineer, technician, or mechanic? This Fischertechnik set introduces you to technology in a playful way. How, for example, does a shaft drive or gearbox work? And how do you build a stable bridge? You'll find the answers to these and many other questions in this set with 30 different models. You'll also find supplementary teaching materials, animations, and videos on Mechanics and Statics on the eLearning portal (fischertechnik-elearnings.com). This makes this set ideal as a teaching aid for schools. This set contains 500 different parts, including various gears, a switch, and an XS motor with a battery holder for a 9V battery (battery not included).