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STEM: Mechanical advantage

Mechanical advantage has been used for thousands of years to enable us to move large objects with small forces.

Children can learn the principles of mechanical advantage and see real-life examples along our canals and rivers.

Download free learning resources

Mechanical Advantage Activity Plan

Use this activity plan to guide your learning about mechanical advantage

Mechanical Advantage at National Waterways Museum

This film provides a good introduction to mechanical advantage and shows you some real life examples.

Build a Lock Game

Learn how a lock works by playing this game in the Explorers Game Zone

Gear Ratio Experiment

Understand how cranes use mechanical advantage in different ways to suit different loads and situations.

LEGO Canal Crane

Build your own mini LEGO canal crane using our step-by-step instructions

Last Edited: 8 January 2026