This comprehensive physics experiment kit is designed for middle and elementary school students to explore the principles of motion and mechanics. It includes various components such as pulleys, levers, and friction tools, allowing students to conduct hands-on experiments and understand fundamental scientific concepts in a fun and engaging way. Features -Color:Yellow -Material:Plastic, iron -Size:34.50X34.50X17.00cm/13.56X13.56X6.68in -Versatile experiment kit: this comprehensive set covers various aspects of physics mechanics experiments for middle and elementary school students, including levers, pulleys, and friction -Educational demonstration tools: designed to help students deeply understand scientific principles through practical demonstrations of levers, pulleys, and friction -Engaging projects: carefully crafted experiments stimulate students' interest and practical skills, making learning physics fun and interactive -Safe and reliable: suitable for both school and home use, ensuring a secure environment for conducting experiments -Teacher student friendly: facilitates smooth execution of experiments, aiding both students and teachers in the learning process Package list: 1 set x lever pulley set