K’NEX® Education Intro to Simple Machines: Wheels, Axles, and Inclined Planes Se

For your STEM curriculum. 
221 K’NEX pieces. Builds 7 models, all replicas of real-world machines. Supports 2-3 students working as a team. Models demonstrate wheel and axles and inclined planes including a wedge and screw. Packaged in a strong, stackable storage tray and snap-on lid. Curriculum Guide on CD.