K'nex - Introduction to Machines Levers & PulleysThe KNEX Education Intro to Simple Machines: Levers and Pulleys set is a dynamic hands on resource designed to introduce young learners to fundamental engineering concepts. This engaging set contains 178 colour coded pieces that allow students to build up to 8 real world models, including first, second, and third class levers and various pulley configurations (fixed, movable, and combination). The structured activities encourage collaboration and