K’NEX Education Intro to Simple Machines: Gears

Teach your students about gear ratios and different gear configurations and how these concepts are used to change the amount of applied force to an object.

Enough materials are included for one group of students to build seven different models, one at a time.

 : The set includes 182 K’NEX parts and instructions for each model with photos and key facts. Includes teacher's guide on CD-ROM.