Description: 【Demonstration Pulley Experiment Set】This physics lab equipment contains single pulleys for mechanics experiments 【Material】The pulley block set is made of pp and stainless steel materials that ensures its longevity and maintains its functionality over time 【Easy to Use】 The pulley system is designed to be clamped, allowing for easy installation and secure handling 【Educational Tool 】Essential physics experimental equipment for students and teachers, great for teaching mechanics effects in physics. Can be used to demonstrate the principle of pulleys and how they work in real machines 【Wide Application】Great for home, school or lab use. Also ideal Birthday and Christmas gift for kids, children in elementary and middle school, can enjoy DIY experiments fun while learning basic physical science knowledge Specification: Material: PP, Stainless Steel Size Chart: Multi Package Includes: 1x Pulley Block Physics Experiments Kits