Intro to Engineering, welcomes young children to the field of engineering with 25 experiments and building projects in five sections, Dimensions: 14.6 x 11.5 x3.1in, Start by learning some engineering basics with experiments on levers, forces, and pulleys
Pulley, Single Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Pulley Large Demonstration Double, 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