Description The Metal Pulley Set is a versatile physics experiment equipment for middle school students. This set is perfect for conducting various physics experiments related to mechanics. It is suitable for school teaching laboratories and home education to help students better understand the principles of physics and mechanics. Features -Color:Black -Material:Iron -Size:12.00X4.00X1.00cm/4.72X1.57X0.39in -Size:9.00X4.00X1.00cm/3.54X1.57X0.39in -Made of metal materials for enhanced durability, the versatile physics experiment equipment for middle school students includes a set of metal pulleys, both single and double pulleys. -The equipment is neatly packed in a storage box, ensuring storage and transportation, making it convenient for both school laboratories and home education settings. -With its flexible combinations, the equipment allows for various configurations using ropes and hooks, providing students with a hands-on experience in physics mechanics. -The pulleys offers students the opportunity to explore different mechanical systems and understand the principles of force and motion. -Suitable for middle school students, this physics experiment equipment is designed to be durable, portable, and versatile, making it an ideal tool for conducting experiments and demonstrations in the field of physics education.Package list: 2 x Double Pulleys 2 x Single Pulleys 2 x straps 4 x hooks 1 x holder case