Explore the fascinating world of gears with our mechanical educational kit! This tabletop model showcases an epicyclic gear train, also known as planetary gears, which are commonly used in speed reducers to slow down motors and increase torque. Perfect for teaching students about the inner workings of mechanical pencil sharpeners, this kit is an ideal STEAM project that will engage and educate young minds. Get ready to assemble and learn how gears work in a fun and interactive way!