Ideal for learning and hobbyist use, the single-slot pulley model assembly gear set offers a comprehensive introduction to mechanical systems. This 50-piece kit allows users to build functional models that demonstrate the principles of pulleys and gears. It's a valuable resource for anyone looking to gain practical experience in mechanical engineering, whether in a classroom or at home. Features -Color:Orange -Material:Plastic -Size:0.60X0.60X0.60cm/0.24X0.24X0.24in -durable craftsmanship: each piece is crafted with meticulous attention to detail, ensuring a durable and reliable product for multiple uses -Precision gear design: the gears are designed with precision to ensure smooth and efficient , ideal for learning and mechanical projects -Wide application: suitable for learning accessories, this product can be used in model assembly, mechanical experiments, and various other scenarios -Easy assembly: the straightforward assembly process makes it easy and quick to install, catering to users of all skill levels -Supports learning needs: designed to meet the demands of large scale learning experiments, making it an essential tool for schools and institution Package list: 200 x pulleys