This 4-piece physics experiment pulley set is great for classroom demonstrations and individual student projects. The set includes two single pulleys and two double pulleys, allowing for a variety of experimental setups. Students can use this equipment to explore the relationship between force, distance, and work. By experimenting with different pulley arrangements, they can gain a deeper understanding of how pulleys can be used to lift heavy objects with less effort, illustrating key principles of mechanical advantage. Features -Color:Green -Material:Plastic,metal -Size:11.00X4.00X2.20cm/4.32X1.57X0.86in -Size:11.00X4.00X1.20cm/4.32X1.57X0.47in -Educational tool: great for student mechanics experiments, aiding in the comprehension of physical theories -Multiexperiment capability: the twosingle and twodouble configuration supports a wide range of experiments, increasing variety - construction: constructed from , safe materials to ensure student safety during use -Userfriendly design: designed for ease of use, allowing students to perform experiments with minimal hassle -for schools: Meeting the needs of the school laboratory, facilitating students' experimental operations, and Increase the diversity of experiments Package list: 4 x experimental pulley block