Each single pulley has a 50-mm molded-plastic wheel and is designed for classroom experiments and demonstrations involving simple machines and force. The pulley has steel hooks at each end for hanging the pulley, and brass axles and wide hubs for free running. Set of 5.
Science education products incorporate applied math and science principles into classroom projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.