The Simple Machines Set offers topics relevant to STEM subject area curricula such as physics, technology, and the natural sciences, and helps students gain a basic knowledge of mechanical and technical principles. 40 different models are used to cover topics like pulleys and hoists, gears, steering, statics, and much more. Simple Machines can be used in supervised and unsupervised learning, and is already a popular and classic choice in many schools., , The total of 500 fischertechnik parts are clearly divided into two sorting inserts. Everything is delivered in a sturdy storage box, along with easy to understand assembly instructions for 40 models of different difficulty levels.,