Designed for learning purposes, the single-slot pulley model assembly gear set offers a practical approach to learning about mechanical systems. This 50-piece kit includes various gears and pulleys that can be assembled to create functional models. It's an excellent tool for teachers to demonstrate the principles of mechanics, and for students to experiment with different configurations to see how changes affect performance. Features -Color:Orange -Material:Plastic -Size:0.60X0.60X0.60cm/0.24X0.24X0.24in -durable workmanship: each piece is crafted with attention to detail, ensuring a durable and reliable product for multiple uses -Precision engineering: the gears are designed with precision to ensure smooth and efficient , ideal for learning and mechanical projects -Multipurpose application: ideal for learning accessories, this product is suitable for model assembly, mechanical experiments, and more -Userfriendly assembly: easy and quick to assemble, this product is suitable for users of all skill levels, from beginners to experts -Supports learning experiments: specifically designed to support large scale learning experiments, making it an essential tool for learning environments Package list: 250 x pulleys