Even as early as the third century, people understood how practical and exciting pneumatics is! This building set teaches the fundamentals of pneumatics in a fun way, showing how components like compressors, pneumatic valves and cylinders, and an exhaust throttle valve work using realistic models, and demonstrating why this technology has been around for such a long time. It allows young inventors to enjoy exciting adventures at home with their tractor with tree grabber, front loader or double swather.