TeacherGeek Accessories - Pulley Set MixedThis Mixed Pulley Set from TeacherGeek opens up exciting opportunities for students to explore the world of simple machines, mechanical advantage, and power transmission. Unlike traditional pulleys that require gluing or custom attachments, these uniquely designed TeacherGeek pulleys feature a splined centre that securely presses onto a dowel shaft, offering a reliable grip and easy removal. Students can revise their designs on the fly an essential