Grades 3 - 5 In Stock Now!

Build 9 different real-world models one at a time. Set includes building instructions for each model with real-life photo and key facts. Models demonstrate 1st, 2nd, and 3rd class levers, along with fixed, movable, and combination pulley. 161 pieces support three students working in a team;

Key Concepts

• Identify all three classes of lever and test them to determine how they operate
• Identify key parts of levers; effort arm, resistance arm and fulcrum
• Compare and contrast how different levers function Discuss how levers change the direction and/or amount of force applied
• Identify appropriate places where levers are used
• Identify different types of pulleys and test them to determine how they operate
• Identify key parts of pulley systems Compare and contrast how different pulley systems function
• Identify appropriate places where different pulley systems are used
• Discuss how pulleys change the direction and/or amount of force applied to do work

All KNEX orders totalling $200.00 will recieve another 10% off
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