The single-slot pulley model assembly gear set is a versatile kit that can be used in a variety of learning settings. Whether in a classroom or a home workshop, this 50-piece set provides a hands-on learning experience. Users can assemble the gears and pulleys to create working models, helping them understand of mechanical engineering and the role of pulleys in machinery. Features -Color:Orange -Material:Plastic -Size:0.60X0.60X0.60cm/0.24X0.24X0.24in -Craftsmanship: meticulous attention to detail in the manufacturing process ensures a durable product for various applications -Exact gear design: the precise design of the gears ensures smooth and highefficiency transmission, ideal for learning and mechanical uses -Wide range of uses: this product is ideal for learning accessories, model assembly, mechanical experiments, and other scenarios -Simple assembly: the straightforward assembly process makes it easy and quick to install, suitable for users of all skill levels -learning experiment support: designed to meet the needs of large scale learning experiments, making it a valuable addition to any learning toolkit Package list: pulleys