Pulley Large Demonstration Triple, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Online Learning System, 1-Year Class License Provides access for 1 teacher and up to 150 students to ready-to-use lessons; easy-to-use authoring templates to develop custom, digital lessons; unique learning management system to track and analyze student performance